Personal computers; desktop computers; all-in-one computers; notebook computers; laptop computers; handheld computers; pc tablets; computer monitors; computer accessories, namely, headsets, mouse, mouse pads, keyboards; computers which also function as gaming equipment, namely, gaming laptops, gaming cubes in the nature of portable desktop computers, and gaming towers; smartwatches; computer game software downloadable from a global computer network; downloadable software in the nature of a mobile application for gaming.

Computer hardware and embedded operating system software for rugged and industrial applications.

Downloadable computer software for managing non-fungible and fungible token transactions using blockchain technology; downloadable computer software for blockchain-based inventory management relating to non-fungible and fungible tokens.

Providing temporary use of online non-downloadable software that is a blockchain protocol, namely, using blockchain-based software technology for creating fungible tokens and non fungible tokens for customer loyalty programs; providing temporary use of on-line non-downloadable software for accessing, reading, and tracking information in the field of non-fungible and fungible tokens on a blockchain; providing user authentication services using blockchain-based software technology for non-fungible and fungible tokens transactions; providing temporary use of on-line non-downloadable software for enabling users to electronically create, exchange, store, send, receive, accept, manage, and transmit fungible and non-fungible tokens based on blockchain technology, smart contracts, and software based voting mechanisms; providing temporary use of on-line non-downloadable software for enabling collaboration of community members via a software based voting mechanisms.

Sunglasses; goggles for sports; eyeglasses; eyeglasses cases; sleeves for laptops; covers for smartphones.

Jewels; jewellery; costume jewelry; rings being jewelry; bracelets; necklaces being jewelry; pins being jewelry; jewellery plated with precious metals; timepieces; earrings; jewellery charms; wristwatches; jewellery boxes; boxes for timepieces; key rings; cuff links; statues of precious metal; model figures being ornaments made of precious metal.

Downloadable computer software for booking management; downloadable computer software for financial recording; downloadable computer software for personal information management; downloadable voice recognition software; downloadable computer software for accessing, browsing and searching online databases; downloadable computer software for the redirection of messages, internet e-mail, and/or other data to one or more electronic handheld devices from a data store on or associated with a personal computer or a server; downloadable computer software for scheduling appointments, reminders, and events on an electronic calendar; downloadable computer software for storing, organising, and accessing phone numbers, addresses, and other personal contact information; downloadable computer software for use in the provision of travel services, namely for booking travel tickets, planning travel trips, and managing travel itineraries; downloadable computer software for managing travel information and expense data.

Business management, including in the field of facilitating business process automation; cost management services; cost accounting; business management relating to expenses; business administration in relation to expense management, travel management, expense reporting, travel reporting, booking travel, accommodation, restaurants, entertainment activities, meeting rooms, office space, serviced offices, and IT and telecommunications hardware and support, itinerary management, time tracking, meeting management, and managing loyalty programs; computerised file management; business information in relation to expense management, travel management, expense reporting, travel reporting, booking travel, accommodation, restaurants, entertainment activities, meeting rooms, office space, serviced offices, and IT and telecommunications hardware and support, itinerary management, time tracking, meeting management, and managing loyalty programs; compilation of information into computer databases; compiling indexes of information for commercial purposes; administrative processing of purchase orders; personalised administrative support services for expense and travel reporting; operating on-line marketplaces for sellers of goods and services in relation to travel, accommodation, and entertainment; operating on-line marketplaces for sellers of goods and services in relation to the advertising and booking of meeting rooms, office space, serviced offices; operating on-line marketplaces for sellers of goods and services in relation to IT and telecommunications hardware and support; operating on-line marketplaces for sellers of goods and services in relation to expense management services and payment services including virtual payments; providing information, consultancy and advisory services, including online, about the aforesaid services.

Software; computer software; server software; client software; computer application software; mobile application software; software in the field of machine learning and artificial intelligence; cyber security software; authentication server software; authentication library software; downloadable computer security software; software for network and device security; software for application, transaction and identity security related to mobile device applications; software for data security; software for ensuring the security of electronic mail; software for virus tracking and virus neutralization; electronic publications, downloadable, relating to the field of cyber security, internet security, computer security, computer network security, data security and cryptography; software development kits (sdks); computer security sdks (software development kits); mobile application security sdks (software development kits); authentication sdks (software development kits); biometric sdks (software development kits); real-time fraud prevention software; software for monitoring, detecting and blocking of fraudulent transactions; software for logging, monitoring and securing of internet and mobile financial services; software for analyzing, and detecting unusual patterns in user and transaction data including behavioral and contextual data; software for behavioral analytics; mobile application security software; software for protecting mobile applications; software for detecting, preventing and reporting mobile cyber attacks; anti-malware software; runtime application self-protection software; jailbreak and root detection software; device identification and device binding software; software for identifying an individual electronic device; software for binding an application instance to an individual electronic device; device fingerprinting software; secure storage software; secure communications software; computer hardware, data processing equipment; electronic apparatus for enabling secure telecommunications; computer peripheral equipment; smart card readers; electronic devices capable of exchanging data using a wireless personal area network data communication protocol; usb hardware; usb smart card readers; usb security tokens (encryption devices); usb sticks; smart cards; public key infrastructure (pki) smart cards; parts and fittings for all the aforesaid goods; electronic data storage devices; electronic data capture apparatus; electronic encoding and decoding apparatus and instruments; electronic coding units; electronic decoders; electronic apparatus, usb hardware, usb tokens, encoded smart cards containing programming used for security, authentication and encryption; cards encoded with security features for identification purposes; data encryption apparatus; electronic encryption units; electronic security tags; electronic identification tags; electronic apparatus, computer peripheral equipment, usb hardware, usb tokens, smart cards, smart card readers, authentication tokens and software, server software and mobile application software, for use in the field of cyber security, internet security, computer security, computer network security and cryptography; electronic apparatus, computer peripheral equipment, usb hardware, usb tokens, smart cards, smart card readers, authentication tokens and software, server software and mobile application software, used all for the protection of online transactions and data transfer by electronic means; electronic apparatus, computer peripheral equipment, usb hardware, usb tokens, smart cards, smart card readers, authentication tokens and software, server software and mobile application software, all for electronic generation and verification of authentication credentials and signatures; electronic apparatus, computer peripheral equipment, usb hardware, usb tokens, smart cards, smart card readers, authentication tokens and software, server software and mobile application software, all for use in, for connecting to and for providing public key infrastructures (pki); electronic identification devices programmed with specific parameters to obtain an authentication code for securing electronic transactions, bank operations, remote application access and securing data transfers; electronic security tokens in the nature of a fob-like device used by an authorized user of a computer system to facilitate authentication to access computers, web sites, remote computer based applications, electronic networks and databases; software, mobile application software, electronic apparatus, authentication tokens and smart card readers adapted to optically capture digital information; software, mobile application software, electronic apparatus, authentication tokens and smart card readers for capturing and decoding 2d-barcodes; electronic apparatus and software for use in the field of biometric verification; electronic apparatus and software for biometric systems for the identification and authentication of persons; biometric access control systems; biometric identification systems; biometric voice recognition systems; electronic apparatus and software for capturing, analyzing and verifying biometric traits; electronic apparatus and software for capturing, analyzing and verifying fingerprints, retinal scan, voice, heartbeat, gait and vein patterns; biometric readers; fingerprint readers; biometric retinal scanners; face recognition software; electronic apparatus and software for use in the field of behavioral biometrics; electronic apparatus and software for capturing, analyzing and verifying behavioral biometrics; behavioral authentication software; electronic apparatus and software for behavioral biometrics, including dynamic keystrokes and swiping patterns; electronic apparatus and software for capturing, analyzing and verifying geolocation data; electronic apparatus and software for recording, processing, manipulating and analyzing sounds and images; electronic apparatus and software for use in the field of cyber security, internet security, computer security, computer network security, data security and cryptography; electronic apparatus, authentication tokens and smart card readers and software, server software and mobile application software for security, data security, authentication and data encryption; electronic apparatus and software for providing multi-factor authentication; electronic apparatus and software for providing layered security; electronic apparatus and software for continuous, transparent and frictionless authentication; software for coordinating and orchestrating authentication and cyber security; electronic apparatus and software for protecting digital channels; electronic apparatus and software for securing telecommunications, data communications, electronic communications and digital communications; electronic apparatus and software for securing access to and operation on the internet; electronic apparatus and software for the security of data-transfer by electronic means and via computer networks; electronic apparatus and software for identification of persons; electronic apparatus and software for providing, verifying and proving the identity of persons; electronic apparatus and computer software used to identify and authenticate users of intranet and internet websites and used to authenticate user access to intranet and internet sites, wide area networks (wan) and local area networks (lan) in order to secure online communications and transactions; electronic apparatus and software for the security of physical and virtual objects; electronic apparatus and software for controlling user access; electronic apparatus and software for access control to physical and virtual spaces, to electronic systems, to computers, to electronic networks, to websites, to computer based applications and to electronic databases; electronic apparatus and computer software used for remote control of access to computers, computer based applications and telecommunications networks; electronic apparatus and software for use in the field of public key infrastructures (pki); electronic apparatus and software used for securing electronic and online transactions; electronic apparatus and software for providing non-repudiation of electronic and online transactions; electronic apparatus and software for the certification of orders given via computer and certifying electronic instructions; electronic apparatus and software for secure transaction authentication for use in the field of banking and online consumer transactions; electronic apparatus and software used for ensuring the security of banking operations and bank transactions; electronic apparatus and software for securing internet banking; electronic apparatus and software used for ensuring the security and authentication of orders given by computer; electronic apparatus and software for use in the field of risk analysis, including risk analysis of electronic and remote transactions, transaction requests, and access requests; software for assessing the risk associated with end user identities; electronic apparatus and software in the field of fraud detection, risk detection, risk management, fraud management, risk analysis, fraud analysis and fraud prevention, all related to electronic, digital, online and remote transactions; electronic apparatus and software for securing and protecting virtual, electronic and digital assets; digital apparatus for securing storage of, access to and handling of digital money, electronic and digital currencies and cryptocurrencies; software in the field of digital money, electronic and digital currencies and cryptocurrencies; digital apparatus for securing computer based applications using distributed ledgers and blockchains; software in the field of distributed ledgers and blockchains; electronic apparatus and software in the field of protecting digital data; electronic apparatus and software for ensuring the confidentiality, integrity and authenticity of digital data; electronic apparatus for protecting access to digital copyrighted material and for supporting digital rights management mechanisms; software in the field of digital rights management; electronic apparatus and software for controlling the use, modification, and distribution of copyrighted works; electronic apparatus and software in the field of protecting personal data; electronic apparatus and software in the field of privacy protection; electronic apparatus and software in the field of identity management; electronic apparatus and software for trusted identity management; electronic apparatus and software for digital identity management; software for customer enrollment, customer management and electronic transaction facilitation; electronic apparatus and software for securing financial services, electronic payment services, internet banking and mobile banking services; electronic apparatus and software in the field of cybersecurity for healthcare providers; electronic apparatus and software in the field of e-government; software for electronic signature applications and systems, including administrative and user applications and digital storage systems; software programs allowing users to electronically approve documents using secure electronic signatures; electronic apparatus and software for the recording, the manipulation, the archiving, the security, the encoding of sound, images and data, including via the internet; software for capturing an approval of an electronic or online transaction; software for generating and capturing electronic proof of authorization of electronic and online transactions and documents; software for generating electronic signatures; software for electronically signing electronic and online transactions; software for signing electronic documents; software for capturing electronic document signatures; electronic signature software; transaction management software programs; software for electronic document management; software allowing users to electronically send, sign, receive and manage documents as part of an electronic business transaction; software for ensuring the legal enforceability, regulatory compliance and auditability of documents or transactions; software for obtaining secure electronic forensic evidence relating to the business transaction process and documents; electronic signature and transaction management software programs allowing users to electronically send, sign, receive and manage documents as part of an electronic business transaction, to ensure the legal enforceability, regulatory compliance and auditability of the documents and transactions, and to obtain secure electronic forensic evidence relating to the business transaction process and documents; software for capturing and storing electronic evidence data; software for capturing and storing audit trail data; software for capturing and storing electronic signature data; software for capturing and storing electronic evidence data that allows reproducing exactly what a signer saw and did; software for capturing and storing audit trail data that allows reproducing exactly what a signer of an electronic document saw and did; software for capturing and storing data documenting an electronic signature process; software for capturing and storing data documenting electronic delivery of documents and information; software for viewing and reviewing electronic evidence data; software for viewing and reviewing audit trail data; software for viewing and reviewing electronic signature data; software for viewing and reviewing electronic evidence data that allows reproducing exactly what a signer saw and did; software for viewing and reviewing audit trail data that allows reproducing exactly what a signer of an electronic document saw and did; software for viewing and reviewing data documenting an electronic signature process; software for viewing and reviewing data documenting electronic delivery of documents and information; software for reviewing and verifying electronic forensic evidence; software for reproducing an authorization and approval process of electronic transactions and documents; software for reproducing a signing process of electronic transactions and documents; software for securely storing electronic documents; electronic vaulting software.

Computer hosted, online and cloud-based cyber security services; it services in the field of electronic and digital signatures, data protection and data traffic, encryption; issuing and management of digital certificates; electronic authorization, authentication and identification of persons' data; data encryption; development of electronic identification (id); online authentication of electronic signatures, namely, electronic signature verification services in connection with banking services; online authentication services; online computer security services; provision of security services for computer networks, computer access and computerized transactions; computer security services for protection against illegal and illegitimate network access; online authentication of electronic signatures; online security services, namely, providing security for electronic transactions; computer security services, namely, restricting access to and by computer networks to and of web sites, media, and individuals; computer security services, namely, protecting computers, web sites and databases against unauthorized access; providing access control to computers, electronic networks, web sites and databases; providing security of data transmission and of transactions via computer networks; providing security of web sites, computers and databases; computer security services for protection against illegal network access; providing secured online transactions and secured data transfer by electronic means; online security services, namely, providing security for electronic transactions in the nature of providing fraud detection services for electronic funds transfer, credit and debit card and electronic check transactions via a global computer network; providing user authentication services, namely, verifying digital signatures and passwords; providing user authentication services, namely, verifying digital signatures and passwords used to authorize transactions and access networks and online services; monitoring of computer systems for security purposes in the nature of monitoring data transmission and online transactions; providing computer security services for user authentication in e-commerce transactions; electronic signature verification services for security purposes; software as a service [saas], namely online identity management services; software as a service [saas], namely online trusted identity management services; software as a service [saas], namely digital identity management services; identity verification services; software as a service [saas], namely online access management services; online generation and verification of authentication credentials and electronic signatures; computer hosted, online and cloud-based services in the field of digital rights management; data security services; computer hosted, online and cloud-based computer hosted, online and cloud-based services for controlling the use, modification, and distribution of copyrighted works; online services in the field of protecting digital data; online services for ensuring the confidentiality, integrity and authenticity of digital data; online services in the field of protecting personal data; computer security services for protecting the privacy of persons interacting with computer based applications; online and cloud-based real-time fraud prevention services; computer hosted, online and cloud-based computer hosted, online and cloud-based services and software as a service for monitoring, detecting and blocking of fraudulent transactions; computer hosted, online and cloud-based computer hosted, online and cloud-based services and software as a service for analyzing, and detecting unusual patterns in, user and transaction data including behavioral and contextual data; hosting services and software as a service [saas] and rental of software; providing temporary use of non-downloadable software and rental of computer software for use in the field of application, transaction and identity security, cyber security, internet security, computer network security, data security, authentication, electronic signatures, biometrics, identification of persons, securing data communication, fraud detection and prevention, risk management, customer enrollment, electronic document management; providing temporary use of non-downloadable software applications accessible via a web site; rental of internet security programs; computer hosted and online and cloud based services and software as a service in the field of fraud detection, risk detection, risk management, fraud management, risk analysis, fraud analysis and fraud prevention, all related to electronic, digital, online and remote transactions; computer hosted and online and cloud based services and software as a service for risk analysis, including risk analysis of electronic and remote transactions, transaction requests, and access requests; computer hosted and online and cloud based services and software as a service for assessing the risk associated with end user identities; computer hosted, online and cloud-based computer hosted, online and cloud-based services and software as a service for coordination and orchestration of authentication and cybersecurity; computer hosted, online and cloud-based services and software as a service for securing electronic and online transactions; computer hosted, online and cloud-based services and software as a service for capturing an approval of an electronic and online transaction; computer hosted, online and cloud-based services and software as a service for generating and capturing electronic proof of an authorization of an electronic and online transactions and documents; computer hosted, online and cloud-based services and software as a service for generating electronic signatures; computer hosted, online and cloud-based services and software as a service for electronically signing electronic and online transactions; computer hosted, online and cloud-based services and software as a service for signing electronic documents; computer hosted, online and cloud-based services and software as a service for capturing electronic document signatures; computer hosted, online and cloud-based services and software as a service allowing users to electronically send, sign, receive and manage documents as part of an electronic business transaction; computer hosted, online and cloud-based services and software as a service for ensuring the legal enforceability, regulatory compliance and auditability of documents and transactions; computer hosted, online and cloud-based services and software as a service for obtaining secure electronic forensic evidence relating to the business transaction process and documents; computer hosted, online and cloud-based services and software as a service allowing users to electronically send, sign, receive and manage documents as part of an electronic business transaction, to ensure the legal enforceability, regulatory compliance and auditability of the documents and transactions, and to obtain secure electronic forensic evidence relating to the business transaction process and documents; electronic signature and transaction management software as a service allowing users to electronically send, sign, receive and manage documents as part of an electronic business transaction, to ensure the legal enforceability, regulatory compliance and auditability of the documents and transactions, and to obtain secure electronic forensic evidence relating to the business transaction process and documents; computer hosted, online and cloud-based services and software as a service for capturing and storing electronic evidence data; computer hosted, online and cloud-based services and software as a service for capturing and storing audit trail data; computer hosted, online and cloud-based services and software as a service for capturing and storing electronic signature data; capturing and storing electronic evidence data that allows reproducing exactly what a signer saw and did; capturing and storing audit trail data that allows reproducing exactly what a signer of an electronic document saw and did; computer hosted, online and cloud-based services and software as a service for capturing and storing data documenting an electronic signature process; computer hosted, online and cloud-based services and software as a service for capturing and storing data documenting electronic delivery of documents and information; computer hosted, online and cloud-based services and software as a service for viewing and reviewing electronic evidence data; computer hosted, online and cloud-based services and software as a service for viewing and reviewing audit trail data; computer hosted, online and cloud-based services and software as a service for viewing and reviewing electronic signature data; computer hosted and online services and software as a service for viewing and reviewing electronic evidence data that allows reproducing exactly what a signer saw and did; computer hosted and online services and software as a service for viewing and reviewing audit trail data that allows reproducing exactly what a signer of an electronic document saw and did; computer hosted, online and cloud-based services and software as a service for viewing and reviewing data documenting an electronic signature process; computer hosted, online and cloud-based services and software as a service for viewing and reviewing data documenting electronic delivery of documents and information; computer hosted, online and cloud-based services and software as a service for reviewing and verifying electronic forensic evidence; computer hosted, online and cloud-based services and software as a service for reproducing an authorization and approval process of an electronic transaction and document; computer hosted, online and cloud-based services and software as a service for reproducing a signing process of an electronic transaction and document; computer hosted, online and cloud-based services for the digitization and automation of business workflows such as onboarding a new customer; services for the secure electronic storage of documents; information, advice and consultancy relating to the aforesaid services, whether or not via the internet; technical consultancy in the field of ict, telecommunications and data communications; consultancy in the field of cyber security, internet security, computer security, computer network security, data security, cryptography, electronic signatures, electronically signing documents, and making secure data transfers and bank operations via computer networks and telecommunication networks; consultancy in the field of computers; consultancy in the field of electronic document management; services provided by computer professionals in the field of security and certification of telecommunications; security testing of telecommunications; testing, analysis and evaluation of the goods and services of others for the purpose of certification; cyber security vulnerability testing; vulnerability testing and security testing of electronic systems, computer systems, computer based applications, remotely accessible applications, computer software, server software and mobile application software; consultancy in the field of fraud detection, risk detection, risk management, fraud analysis and fraud prevention, all related to electronic, digital, online and remote transactions; programming and customization of data processing equipment; programming and customization of electronic apparatus for enabling secure communications, smart card readers, usb security tokens (encryption devices), authentication tokens, electronic apparatus for use in the field of biometric verification, electronic apparatus for generation and verification of authentication credentials and signatures, electronic apparatus for securing telecommunications, electronic apparatus for computer security, electronic apparatus for the identification of persons; design, development, customization, installation, updating and maintenance of computer software; website design, development and maintenance; software research; project studies relating to software; design of a digital archive; computer programming; development of software for managing and providing access to documents, archives and documentation; webhosting; technical research; scientific research; design, development, implementation, management and operation of data communications networks and software for data communications networks; design, development, customization, installation, updating and maintenance of computer software for use in the field of application, transaction and identity security, cyber security, internet security, computer network security, data security, authentication, electronic signatures, biometrics, identification of persons, securing data communication, fraud detection and prevention, risk management, customer enrollment, electronic document management; designing, developing, customizing, installing, updating and maintaining computer software in the field of cyber security, internet security, computer security, computer network security, data security, cryptography, electronic signatures, electronically signing documents, and making secure data transfers and bank operations via computer networks and telecommunication networks; design, development, customization, installation, updating and maintenance of computer software relating to computer security and prevention of computer risks; testing, analysis and evaluation services in the telecommunications field, for the purpose of certification and designing, updating and maintaining computer software of others used for security and certification of electronic instructions; computer programming services for electronic data security; design and development of electronic data security systems; programming of internet security programs; design and development of internet security programs; designing, developing, updating and maintaining computer software in the field of electronic document management; provision of security services for online transactions by electronic means; it security services for remote communication; research in the field of computer security; technical research relating to automatic identification systems.

Dunnage for packaging.

Storage, transport, shipping, and packaging containers of plastic, for commercial use; plastic inserts for use as container liners; rigid plastic trays for commercial and industrial use, namely packaging materials; non-metal pallets.

Business information and business consulting services, namely, providing business advisory services to identify, screen, and select contract manufacturing organizations to contract and build medical and pharmaceutical products and devices; providing business advisory services to health care providers, namely, designing the administrative, financial and clinical workflows associated with value-based healthcare delivery models; providing business assistance to healthcare providers in the field of enabling communication and collaboration for the purpose of developing, implementing and evaluating patient care plans; business services, namely, tracking and monitoring regulatory requirements in the pharmaceutical, biotechnology, and medical fields for business purposes; maintaining files and records concerning the medical condition of individuals; maintaining personal medical history records and files.

Providing quality assurance services in the medical, pharmaceutical, and biotechnology fields; quality management services, namely, quality evaluation and analysis, quality assurance, and quality control, in the medical, pharmaceutical, and biotechnology fields; testing, analysis, and evaluation of medical, pharmaceutical, and biotechnology services to assure compliance with industry standards; tracking and monitoring regulatory requirements in the pharmaceutical, biotechnology, and medical fields for quality control purposes.

Computer programs for financial management; computer programs for financial reporting; computer programs relating to financial matters; computer software; computer software (programs); computer software (recorded); computer software products; computer software programs; cryptocurrency exchange software; cryptocurrency wallets; downloadable audio files authenticated by non-fungible tokens [NFTs]; downloadable audio recordings authenticated by non-fungible tokens [NFTs]; computer software applications (downloadable); computer software platforms, recorded or downloadable; downloadable computer software for managing cryptocurrency transactions using blockchain technology; downloadable cryptographic keys for receiving and spending crypto assets; downloadable digital certificates; downloadable digital files authenticated by non-fungible tokens [NFTs]; downloadable e-wallets; magnetic payment cards; payment cards being magnetically encoded.

Advisory services relating to finance; advisory services relating to investments; advisory services relating to money management; consultancy services relating to finance; consultancy services relating to personal finance; corporate finance consultancy; corporate finance services; e-wallet payment services; electronic payment services; electronic transfer of crypto assets; financial advice; financial consultancy; financial investment; financial management; financial planning; advisory services relating to financial matters; financial advisory services; financial advisory services for companies; financial advisory services for individuals; consultation services relating to financial matters; financial consultation services; advisory services relating to financial investment; financial management advisory services; financial payment services; advisory services relating to financial planning; financial services; cryptocurrency investment consultancy; investment consultancy; investment consultations; payment processing services; payment transaction card services; preparation of financial analyses; preparation of financial balance sheets; preparation of financial reports.

Electrical energy; electrical energy from renewable sources; electrical energy from renewable sources, namely, solar power, wind power and geothermal power.

Electrolysis systems using renewable energy, namely, machines for generating gas by electrolysis for delivery of high temperature fluid and/or steam; solar, wind, and geothermal power distribution apparatus, namely, block type thermal power stations for power generation; wind, solar, and geothermal power supply units, namely, wind turbines, geothermal power generators, and heat exchangers being parts of machines.