11 Apparatus for lighting purposes, namely, electric fixtures, lighting tracks and landscape lighting installations; apparatus for heating purposes, namely, electric heating fans and heating furnaces; apparatus for steam generating purposes, namely, steam generators, steam valves and steam radiators for heating buildings; apparatus for refrigerating purposes, namely, refrigerating machines and refrigerators; apparatus for drying purposes, namely, vacuum dryers, namely, drying apparatus for chemical processing; apparatus for ventilating purposes, namely, ventilating exhaust fans and ventilating louvers; apparatus for water supply and sanitary purposes, namely, toilets, sinks, bathtubs and pipes being parts of sanitary facilities; air conditioners; electric space heaters; cryogenic storage chests, namely, freezers; refrigerating and freezing apparatus and chambers, namely, refrigerating machines, freezing showcases and refrigerating display cabinets; environmental test chambers, namely, sealed housing for evaporative determination and fuel evaporation chambers all being laboratory equipment; equipment and installations for heat treatment for production, namely, heating furnaces; hot cabinets and drying cabinets, namely, heated display cabinets, warming cabinets for food; electric induction drawer ovens; dryers for continuous drying and heating processes, in particular continuous ovens for induction ovens, chest ovens for baking, tempering furnaces and baking ovens; dry heat sterilizers; clean room sterilisers and portable electric warm air dryer; vacuum chambers being structural parts of air conditioners and industrial dryers; feed devices for furnaces, heat treatment installations and test installations comprised primarily of handling systems comprising feed water heaters for continuous industrial and pharmaceutical process operations; filters for air conditioning; air filtering installations; air heating apparatus, namely, electric air heaters; industrial air dryers for heating and dehumidifying; humidifiers; ventilation hoods; air cooling apparatus; electric air deodorising apparatus, namely, dispensing units for room deodorants and electric air deodorizers; hot air space heating apparatus; hot air ovens, namely, electric heating fans; heat pumps; heat regenerators; heat accumulators; heat exchangers, not parts of machines; evaporators, namely, evaporative air coolers; room air conditioners, in particular in cabinet form, including for air conditioning computer rooms, measurement spaces and clean rooms for the food and the pharmaceutical industries, and functional areas in hospitals, including operating theatres or intensive care units; room air humidifiers, humidifiers and dehumidifiers; special purpose air conditioning apparatus, housed in boxes; cooling installations for ceilings; climatically controlled chests, namely, air-conditioning units; window-mounting air-conditioners; water re-cooling towers; pipe freezers; apparatus for cooling water, namely, water coolers; drying apparatus and installations, namely, drying apparatus for chemical processing; heating apparatus, electric, namely, electric radiators for heating buildings; heating installations; heating apparatus for solid, liquid or gaseous fuels; fireplaces; industrial ovens for industrial purposes, namely, industrial treatment ovens, induction ovens, infrared ovens and microwave ovens; ovens, other than for laboratory purposes, namely, convection ovens; refrigerating cabinets; cold storage rooms, namely, walk-in refrigerators; air purifying apparatus and machines; air sterilisers for clean room not for medical or laboratory purposes; clean rooms; fans for air-conditioning apparatus; air conditioning apparatus; apparatus and instruments for generating clean air, namely, air purifiers; electrically operated air suction apparatus for pollutant capture in treatment, processing and production machines and installations; air cleaning and filtering installations, namely, air filters for air conditioners for removing pollutants and odours from the air; lighting installations, namely, landscape lightning installations; apparatus and installations for the filtration of gaseous substances, namely, filtering devices for gas conditioning; exhaust air collection hoods, namely, ventilation hoods; ventilation exhaust fans; electrically operated suction apparatus, being a component of working boxes, work cabins and workstations for air purification for use in clean rooms; sterile air distributors, namely, air diffusers; special transporting machines for conveying test objects one testing room to other, namely, conveyer; clean air boxes fitted with air conditioning for weighing operations, namely, clean room featuring air conditioning; air filtering installations; air purifying apparatus and machines; clean room personal locks, namely, personal passage for clean rooms; fans as parts of air conditioning installations; heated or refrigerating display cabinets