Pressure regulators for controlling fluid flow rates; automatic pressure relief valves, automatic safety valves; automatic control valves; instrument devices, namely pressure gauges used for measuring, indicating, controlling, recording or testing, and calibrating temperature, pressure, humidity, vibration, and shock; surge relievers for oil pipeline services.

Delivery via pipelines and trucks of natural gas energy; providing awareness of and consultation regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, residential, charitable, commercial and industrial use; providing awareness of the training and education regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, commercial and industrial use; providing awareness of the training regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for residential use; creating, retaining and sustaining awareness of measures relating to energy efficiency regarding fuel consumption, including consumption of natural gas energy for retail, residential, commercial and industrial use; providing awareness of natural gas energy as an alternative energy source for retail, residential, commercial and industrial use; providing awareness of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for retail, charitable, residential, commercial and industrial use; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in heating, drying, and cooking.

Transportation of natural gas energy via pipelines and trucks; providing awareness of the education on the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, aritificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for residential use.

Providing awareness of and consultation on the usage and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale, agricultural and institutional use; storage of natural gas energy; providing awareness of the training and education regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale, charitable, agricultural and institutional use; creating, retaining and sustaining awareness of measures relating to energy efficiency regarding fuel consumption, including consumption of natural gas energy for wholesale, charitable, agricultural and institutional use; providing awareness of natural gas energy as an alternative energy source for wholesale, charitable, agricultural and institutional use; providing awareness of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, aritificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for wholesale, agricultural and institutional use; providing retail and trade show floor plans to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, and in cooling; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, providing presentations to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, in co-generation of alternative fuels.

Providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for commercial, industrial and agricultural use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for commercial and industrial use.

Storage of, and transportation via pipeline and trucks, of natural gas energy; providing awareness and consultation regarding the usage of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for charitable use; providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, charitable, residential and institutional use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, charitable, agricultural and institutional use; creating, retaining and sustaining awareness of measures on energy efficiency regarding fuel consumption of natural gas energy for charitable use; providing awareness of natural gas energy as an alternative energy source for charitable use; providing awareness of natural gas energy and charitable use; providing awareness of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for charitable use; providing retail and trade show floor plans to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, as a fuel for vehicular transportation, and in heating, cooling and drying; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, as a fuel for vehicular transportation and in heating, cooling and drying; providing presentations to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as a fuel for vehicular transportation and in heating, cooling and drying.

Providing awareness and consultation of the usage of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; providing awareness and consultation regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale and charitable use; providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale and residential use; providing awareness of natural gas energy and associated applications and products as integral parts of business, personal, lifestyle and environmental choices for wholesale use; providing retail and trade show floor plans to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) and in cooking; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) and in cooking; providing presentations to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in co-generation of alternative fuels and in cooking.

Providing education on the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires and camp-stoves, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; creating, retaining and sustaining awareness of energy efficiency with respect to fuel consumption, including consumption of natural gas energy for retail, wholesale, charitable, residential, commercial, industrial, agricultural and institutional use; providing awareness of natural gas energy as an alternative energy source for wholesale and charitable use; providing awareness of natural gas energy and associated applications and products (namely ovens, stoves, cooktop ranges, clothes dryers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires and camp-stoves, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for wholesale use.

Providing education on the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, outdoor cooking grills, gas powered campfires and camp-stoves, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; creating, retaining and sustaining awareness of energy efficiency with respect to fuel consumption, including consumption of natural gas energy for retail, wholesale, charitable, residential, commercial, industrial, agricultural and institutional use; providing awareness of natural gas energy as an alternative energy source for wholesale and charitable use; providing awareness of natural gas energy and associated applications and products (namely ovens, stoves, cooktop ranges, clothes dryers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires and camp-stoves, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for wholesale use.

Providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for commercial, industrial and agricultural use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for commercial and industrial use.

Storage of, and transportation via pipeline and trucks, of natural gas energy; providing awareness and consultation regarding the usage of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for charitable use; providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, charitable, residential and institutional use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for retail, charitable, agricultural and institutional use; creating, retaining and sustaining awareness of measures on energy efficiency regarding fuel consumption, including consumption of natural gas energy for charitable use; providing awareness of natural gas energy as an alternative energy source for charitable use; providing awareness of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as integral parts of business, personal, lifestyle and environmental choices for charitable use; providing retail and trade show floor plans to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, as a fuel for vehicular transportation, and in heating, cooling and drying; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in industrial and manufacturing processes, as a fuel for vehicular transportation and in heating, cooling and drying; providing presentations to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers and artificial electrical embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas and electric powered campfires and camp-stoves, barbecues, space heaters, lighting units, water treatment units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) as a fuel for vehicular transportation and in heating, cooling and drying.

Providing awareness and consultation of the usage of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, dishwashers, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; providing awareness and consultation regarding the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale and charitable use; providing awareness of the training of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale use; providing awareness of the education of the use and conservation of natural gas energy and associated applications and products (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) for wholesale and residential use; providing awareness of natural gas energy and associated applications and products as integral parts of business, personal, lifestyle and environmental choices for wholesale use; providing retail and trade show floor plans to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) and in cooking; providing displays to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) and in cooking; providing presentations to retailers which are designed to advertise and promote the use of natural gas energy and associated applications and wares (namely, ovens, stoves, cooktop ranges, clothes dryers, clothes washers, fireplace inserts, namely heat exchangers, artificial gas embers, furnaces, water heaters, water coolers, outdoor cooking grills, gas powered campfires, barbecues, space heaters, lighting units, air handlers and conditioners for cooling and heat generation, and heat recovery ventilation units) in co-generation of alternative fuels and in cooking.