11 INSTALLATIONS FOR LIGHTING, HEATING, STEAM GENERATING, COOKING, REFRIGERATING, DRYING, VENTILATING, WATER SUPPLY AND SANITATION; AIR CONDITIONING INSTALLATIONS; FREEZERS; POCKET FLASHLIGHTS; ELECTRIC COFFEE MAKERS; ELECTRIC COOKERS; LIGHTING DEVICES FOR VEHICLES; HEATING AND AIR CONDITIONING APPARATUS FOR VEHICLES; APPARATUS FOR AIR AND WATER PURIFICATION; STERILIZERS