11 [ Gas separation equipment, namely, gas separation equipment used for obtaining nitrogen, oxygen, carbon dioxide, argon, neon, helium, xenon and hydrogen by separating air components by Pressure Swing Adsorption; gas separation equipment used for obtaining nitrogen, oxygen, carbon dioxide, argon, neon, helium, krypton, xenon and hydrogen by separating air components cryogenically; gas separation equipment used for obtaining nitrogen, oxygen, carbon dioxide, argon, neon, helium, krypton, xenon and hydrogen by separating air components via cooling methods; gas separation equipment used for obtaining nitrogen, oxygen, carbon dioxide, argon, neon, helium, krypton, xenon and hydrogen by separating air components by means of serial membrane modules and laboratory membranes for separating different components or molecules within a gas; installations and apparatus for lighting, namely, electric lighting fixtures; installations and apparatus for heating, namely, heating installations; installations and apparatus for cooking, namely, electric and gas ovens, microwave ovens; cooling units for industrial purposes; cooling evaporators; installations and apparatus for desalination, namely, desalination units; installations and apparatus for drying, namely, industrial dryers for heating and dehumidifying; installations and apparatus for ventilating, namely, ventilating fans for commercial and industrial use; installations and apparatus for air conditioning, namely, air conditioners; installations and apparatus for water supply, namely, water purifying apparatus, industrial water purifying apparatus, water desalination plants, water filtering apparatus, water distillation units, regulating accessories for water supply, namely, metered valves; installations and apparatus for gas separation, namely, fluid separation apparatus for separation of gas from liquid in a chemical or oil refinery, and ] membranes, filters, modules for separating gases and particles within gases; [ incinerators; heat accumulators; cooling and freezing apparatus, namely, evaporative air coolers and freezers; water treatment apparatus and installations, namely, cartridge filtration units, chemical sterilization units, reverse osmosis filtration units, ultraviolet sterilization units; ] distillation apparatus and columns, namely, alcohol, gas and water distillation units; dust exhausting and removing installations for industrial purposes, namely, air and water filters for industrial purposes; [ chimney flues; fuel economizers, namely, gas and fuel regulators; ] installations relating to membrane filtration and separation technology for liquids, gases, vapours and water, namely, purification and filtration apparatus, namely, modules and membrane cartridges for separation and purification; filtering apparatus for liquids, gases, vapours and waters, namely, purification and filtration apparatus incorporating membranes for industrial use and for use in the energy and engineering industries; apparatus for use in purification, dehydration and production of fuels and biofuels, including ethanol * and * fuel gas, [ fuel oil and mineral fuel, ] namely, ethanol * and * fuel gas, [ fuel oil and mineral fuel ] purification machines; apparatus incorporating membranes for use in purification of fuels and biofuels, including ethanol, fuel gas, fuel oil and mineral fuel; [ apparatus for use in purification of air and of water, namely, water and air purification units ]