Common metals and their alloys; metal building materials, namely, pipes and tubes made of metal for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems, and parts and fittings therefore; transportable buildings of metal, namely, temporary metal buildings for use during home construction; materials of metal for railway tracks; non-electric cables and wires of common metal, namely, metal cables and wires for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; pipes and tubes of metal for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; safes; ores; anvils, bells, building materials, namely pipes, tubes, fittings, pipe fittings, tube fittings, all for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; nails and screws, sewers, gutters, roof gutters and manholes and rings therefor, parts and fittings for all the aforesaid goods; foils, namely, metal insulating foil for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems, plates, namely, thermostat wall plates, heat emission plates, pipe positioning plates, all for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems and wire-nets for installation of floor and radiator heating systems and snow and ice removal systems; machine tools for plumbing, welding, cutting, expanding, and assembly of floor and radiator heating systems, water distribution systems, ventilation systems, cooling systems, pre-insulated pipe systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification system, ground heat systems, snow and ice removal systems, sewers, chambers, pressure pipe systems and cable protection piping; motors and engines (except for land vehicles) for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; machine coupling and transmission components (except for land vehicles); electronic controllers and switches for controlling sanitary piping systems; electronic temperature, flow and pressure controllers for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems and computers; fire-extinguishing apparatus, namely, fire-extinguishers, sprinklers and sprinkler fittings for use in fire sprinkler systems; control and adjustment devices, namely, electronic controllers and switches used in the repair and installation of sewers, floor and radiator heating systems, water distribution systems, ventilation systems, cooling systems, pre-insulated pipe systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification system, ground heat systems, snow and ice removal systems, chambers, pressure pipe systems, cable protection piping; programs for designing and calculation for aforesaid systems; tap water systems, radiant floor and under floor heating and cooling systems, water distribution systems and fire sprinkler systems, and parts and fittings therefore; plumbing fittings, plumbing fixtures; district heating systems comprising heat insulation plates, insulated metal, plastic or composite pipes and tubes, electronic temperature controls, coils, heat meters; sewer systems, drainage systems and liquid waste management systems comprising manholes, insulated metal, plastic and composite pipes and tubes; gutters; sewage tanks and chambers; fluid and waste storage tanks and chambers; air conditioners; air purifying units; air cooling and ventilation apparatus and instruments comprising insulated metal, plastic or composite pipes and tubes; cable protection piping, connections boxes, manifolds, fittings, heat meters; gutta-percha, asbestos, mica and goods made from these materials, namely sealings for pipes and pipe end caps; packing, stopping and insulating materials, namely building insulation, insulation fabrics and packing foam in sheet form; flexible plastic pipes for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; joints, building materials, namely, foil and tape for insulation of pipes, assembly panels and plates for floor heating; plastics pipes and tubes, flexible plastic pipes and tubes, and their parts and fittings, all for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; rubber rings; sewers, gutters, roof gutters and manholes and rings therefor, parts and fittings for all the aforesaid goods; water pipes installations; connecting elements; flexible pipes and tubes, pipe bends, joints and their fittings and their parts and fittings, sockets, plastic pipe bendings, insulating elements for pipes and floors, namely building insulation; tubing, pipe fittings, temperature controls and regulators all for floor heating; heat and impact insulation plates, tapes for the installation of floor and radiator heating systems; isolation and sealing tapes; flexible plastic pipes and tubes for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; substances used for weather stripping; plastics in extruded form for use in manufacture of packing, stopping and insulating materials; building materials made of plastic, namely pipes, tubes, pipe fittings, tube fittings, all for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; building materials, namely rigid plastic pipes for use in plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; asphalt, pitch and bitumen; building materials, namely, plastic pipes, ducts, tubes and gutters for use in home construction; non-metallic drain pipes and ditch drainage pipes, roof gutters and drain pipes, riser pipes for supervision as well as parts, fittings and accessories for all the products; rings of rubber, sleeves, pipe bend of plastics as well as parts, fittings and accessories for all the aforesaid goods; hand tools; cutlery; razors; hand tools for service and installation of sewers, floor and radiator heating systems, water distribution systems, ventilation systems, cooling systems, pre-insulated pipe systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification system, ground heat systems, snow and ice removal systems, chambers, pressure pipe systems, cable protection piping

Building construction; provision of repair and installation services in the field of plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; repair and installation of pipes and tubes in the field of plumbing systems, heating and cooling systems, ventilation systems, water distribution systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification systems, ground heat systems, snow and ice removal systems and fire safety systems; repair and installation of sewers, floor and radiator heating systems, water distribution systems, ventilation systems, cooling systems, pre-insulated pipe systems, drainage and irrigation systems, liquid waste management systems, liquid waste purification system, ground heat systems, snow and ice removal systems, chambers, pressure pipe systems, cable protection piping

Plastic sewer pipes and tubes; plastic pipes and tubes for use in plumbing; metal tube fittings for use in sewers and plumbing; metal foils for use in heating and ventilation systems; assembly panels for floor heating systems; wire-nets for installation of tap water systems, floor and radiator heating systems, cooling systems, snow and ice prevention systems, district heating systems, sewer systems, drainage systems and liquid waste management systems; machine tools and hand-operated tools for installation of tap water systems, floor and radiator heating systems, cooling systems, snow and ice prevention systems, district heating systems, sewer systems, drainage systems and liquid waste management systems in the heating, ventilation and air conditioning (HVAC), plumbing and waste management industries; electronic controls and switches for tap water systems, floor and radiator heating systems, cooling systems, snow and ice prevention systems, district heating systems, sewer systems, drainage systems and liquid waste management systems in the heating, ventilation and air conditioning (HVAC), plumbing and waste management industries; fire sprinklers; fire alarms; fire extinguishers; plastic pipes and tubes for use in plumbing, heating, ventilation and air conditioning (HVAC) industry and sewer system and waste management industry; corrugated and profile tubes, also multi-walled, for electrical installation and used as cable protection; tap water systems comprised of faucets, metal, plastic or composite pipes and tubes and electronic temperature controls; floor and radiator heating systems comprising electronic temperature controls, metal, plastic or composite pipes and tubes, sound absorbing plates, heat meters, heat conducting membranes; cooling and ventilation systems comprising air conditioners, air purifying units, ventilation units, metal, plastic or composite pipes and tubes, electronic temperature controls; snow and ice prevention systems comprised of electronic temperature controls, metal, plastic or composite pipes and tubes, heat meters; district heating systems comprising heat insulation plates, insulated metal, plastic or composite pipes and tubes, electronic temperature controls, coils, heat meters; sewer systems, drainage systems and liquid waste management systems comprising manholes, insulated metal, plastic and composite pipes and tubes, gutters, sewage tanks; connection boxes, manifolds; metal, plastic and composite pipe and tube fittings; heat meters; sewage tanks and chambers; fluid and waste storage tanks and chambers; air conditioners; air purifying units; air cooling and ventilation apparatus and instruments comprising air conditioners, air purifying units, insulated metal, plastic or composite pipes and tubes, fans; ceiling fans, electric fans, electric heating fans, fan heaters, fans for air-conditioning, ventilating fans for commercial and industrial use, fan coils parts and components for aforesaid goods and systems; plastic pipes and tubes for use in plumbing; sealing rings and strips; plastic tube fittings for use in plumbing; plastic pipes, heat and impact insulation plates, tapes for the installation of floor and radiator heating systems; plastic tape for use in the installation of snow and ice prevention systems; plastic plumbing pipes and tubes, plastic conduit pipes and tubes, plastic sewer pipes and tubes, plastic gutter pipes and tubes, plastic pipes and tubes for cable and fibre optics protection, plastic pipes and tubes for heating and cooling, plastic pipes and tubes for ventilation, plastic pipes and tubes for gas distribution, plastic pipes and tubes for water supply, all for use in the building construction industry

Service and installation of tap water systems, floor and radiator heating systems, cooling systems, snow and ice prevention systems, district heating systems, sewer systems, drainage systems and liquid waste management systems

Pipes for water supply and sanitary purposes, and parts and fittings therefor; pipes and tubes and parts and fittings for all the aforesaid wares, all made of plastics materials; rubber rings; joints; insulating elements for pipes and floor heating; non-metallic pipes, tubes and gutters; parts and fittings for all the aforesaid wares.