Refrigerators and freezers; air-conditioned wine cabinets, comprising of refrigerated cabinets containing racks for wine bottles and storage shelves; refrigerating cabinets for beverages, in particular beer; heating and ventilating apparatus, namely, air conditioners for industrial purposes; cooling devices and installations, namely, de-icing systems comprising of anti-icing valve, outflow valve, overheat sensor, reheater, pressure sensor, pressure switch, duct overheat sensor, air humidification units, and air conditioners; air-humidifying systems comprising of humidifiers, in particular for vehicles and aeronautical machines; air treatment systems comprising of air purifiers; components for air regulating installations, namely, heat exchangers, temperature, pressure and through put control valves, ram air valve drives, and turbines for air conditioning apparatus for air conditioning based on cold air vacuum processes for use in rail vehicles; toilet systems comprising of toilets for vehicles, in particular rail vehicles; devices for regulating air conditioning and cabin pressure, namely, aircraft cabin pressure control units in the nature of air pressure regulators and electrical controllers sold as a unit therewith, air intake devices for propulsive units, namely, air-intake tubes and filters, components for air regulating installations, namely, heat exchangers, temperature, pressure and through put control valves, ram air valve drives; water purification installations; electric pocket torches