11 Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, namely lamps, electric space heaters, gas patio heaters, hot water heaters, electric food steamers, steam generators, electric stoves, gas stoves, refrigerating machines and appliances, clothes dryers, hand-held electric dryers, portable warm air dryers, ventilation hoods for stoves, ventilating exhaust fans, electric ventilating fans, hot water heaters, hot water tanks, water distilling unite, water conditioning units