Refrigerators and freezers; climatic cabinets for wine; apparatus for dispensing chilled beverages; apparatus for dispensing cold beverages; refrigerated dispensing units for beverages; cooling apparatus for dispensing cold beverages; refrigerating cabinets for beverages, in particular beer; air conditioning installations; heating and ventilating apparatus; forced aeration systems; air treatment systems; air humidifying systems, in particular for vehicles and flying machines; cooling devices and installations, namely de-icing systems; heating apparatus, ventilating apparatus and air-conditioning systems (HVAC) for rail vehicles; steam heating devices for rail vehicles, and parts and accessories therefor, including steam heating couplings and steam pressure valves; heat energy recovery systems, in particular systems for utilising waste heat; turbines for air-conditioning apparatus and for air-conditioning based on cold air vacuum processes for use in rail vehicles; toilet systems for vehicles, in particular rail vehicles; air conditioning systems, cabin pressure systems; heat exchangers, temperature/pressure control valves and throughput control valves, ram air valve drives; water purifying installations; lighting apparatus; electric torches.