uninterruptible power supply generating installations; air filtration installations and machines; air filter installations and apparatus; filtration apparatus for industrial purposes; installations for regenerating air in enclosed spaces; apparatus for filtering air and gases; air conditioners; air circulation, distribution and cleaning apparatus; air distribution installations and units; apparatus for air conditioning and cooling; air handling apparatus and installations; terminal air devices; refrigerated compressed air dryers; installations for the cooling of air; installations for regenerating air in enclosed spaces; refrigerating apparatus and machines, including for industrial use; refrigeration units and installations; compressed air ventilators; suction ventilators; air delivery apparatus for ventilating, heating and cooling buildings, and for use in industrial processes; air processing (conditioning, cooling, sterilising) apparatus; air separating and sterilising apparatus; portable filtration apparatus for filtering air; portable filtration units (other than machines); air cleaning machines, apparatus, and instruments; air cleaning filters (parts of air cleaning machines or installations); devices for absorbing and removing pollutants and vapours from the air; fans for air conditioning installations, and exhaust, fume and gas extractors; filtering installations for air and gases; filters being pneumatically powered; filters for gases (household or industrial installations); filters for use with apparatus for air conditioning; air conditioning filters; air conditioning apparatus and installations for industrial use; air conditioning or ventilating fans; fans (parts of air conditioning installations); fans for exhaust, fume, or gas extractors; fans for use in air conditioning or ventilating; electric cooling fans; electric fans for ventilation; electrical fans being parts of air conditioning or ventilation installations; motorised fans for air conditioning or ventilation; fan coil apparatus and instruments; propellers (fans) for air conditioning apparatus or ventilation apparatus; flues; flues incorporating fans and/or extractors; flue gas cleaning, cleaning, or ventilating apparatus; installations for air extraction; extractor fans; hoods incorporating extractor fans; extraction hoods for cookers or freezers; hoods for air conditioning or ventilating apparatus; ventilating hoods, including for laboratories, smoke, or steam; ventilating apparatus or instruments, including for vehicles; ventilating units or installations, including for buildings, laboratories, or vehicles; ventilation terminals; ventilators for heat exchangers; installations for generating the flow of gases; pneumatic apparatus for controlling pressure in gas apparatus and gas pipes; pressure controllers (regulators) for gas apparatus and gas pipes; pressure relief apparatus for use with gas installations; pressure relief valves (safety apparatus) for gas apparatus and gas pipes; regulating and safety accessories for gas apparatus and gas pipes; thermal storage apparatus and instruments for electricity generation; separators for purifying air and gas; separators for removing condensation by refrigeration; cooling apparatus and elements; cold air blowing apparatus; electric cooling apparatus; cooling installations and machines, including for gas and refrigerating; heat pumps, including for energy processing; pressure tanks; level controlling and regulating valves in tanks; apparatus for injecting oxygen-containing gases into the reactor; apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes; accessories, parts, and fittings for the aforesaid goods allowed in this class