11 gas burners; gas stoves; steam accumulators; steam generating installations; treatment installations, namely, sewage treatment plants for biomass and biodegradable waste; apparatus for dehydrating food waste; steam generating installations; gas operated devices, namely, electric air dryers and mechanical air dryers used in drying of agriculture, forest, chemical and industrial products; air dryers for production processes; heating apparatus for solid, liquid or gaseous fuels; HVAC units for heating, ventilation and air conditioning; regulating accessories, namely, metered valves for regulating water, steam valves, air valves for steam heating installations; drying apparatus, namely, electric air dryers and mechanical air dryers for drying of agriculture, chemical and industrial products for industrial, chemical and agriculture processing; installations for the collection of gases, namely, direct vents for gas appliances; industrial ovens and furnaces not for food or beverages; drying machines for agriculture; safety accessories for water or gas apparatus and pipes, namely, meter valve meter regulating accessories for water or gas apparatus and pipes; drying apparatus, namely, drying of agriculture, chemical and industrial products for industrial, chemical and agriculture processing; air cooling apparatus; heating installations; automatic ash conveyor installations, namely, furnace ash boxes; water heaters for industrial use; air-conditioning ventilation installations and apparatus; evaporators for air conditioners and industrial processes; cooling installations and machines, namely, absorption cooling machines and refrigerators; animal feed drying apparatus; gas boilers; industrial drying installations, namely, food, forage and kiln drying apparatus; gas burners for industrial purposes; hot air apparatus, namely, hot air blowers; hot air space heating apparatus for industrial purpose; apparatus for dehydrating food waste; gas fired water heaters; refrigerating machines; cooling appliances and installations, namely, absorption cooling machines and air conditioners; cooling installations, namely, absorption cooling machines and refrigerators for liquids; apparatus for vapour producing installations, namely, steam vaporizers for adding humidity to the air; heat generating apparatus, namely, heat generators; water heaters; desiccating apparatus, namely, desiccating units for agriculture products and industrial and chemical processes; installations for the burning off of gases, namely, flare stacks for use in the oil industry and the bioenergy industry; drying installations, namely, drying machines for food and industrial applications; harvest drying machines; gas boilers; installations for evaporating, namely, heating and cooling evaporators; apparatus for heating, namely, hot water tanks and hot water pipelines sold as a unit; hot water heating installations, namely, hot water tanks and hot water pipelines sold together as a unit; refrigerating apparatus and machines, namely, refrigerators; hot water heaters; gas fired heating installations, namely, water, liquid and air heaters; burners, boilers and heaters, namely, natural and biogas burners, heating boilers; heating boilers; heating, ventilating, and air conditioning and purification equipment, namely, solar water heaters, water purification installations for rainwater and dirt water, sewage and sludge purification installations; hot air space heating apparatus; gas burners; replacement parts for all of the aforesaid goods