11 Lamps, heat pumps, steam generating apparatus, refrigerating machines, drying machines for clothes and dishes, ventilating hoods for steam, ventilation units, water supply installations, air conditioning installations and apparatus, electric fans, air purifiers, air humidifiers, dehumidifiers, humidifiers; showers and plumbing parts and fittings therefor, namely, faucets, valves, drains, traps, shower sprayers; plumbing fixtures, namely, sink sprayers and sink strainers; sinks, bath tubs, showers and structural parts and fittings therefor; electric cooking apparatus, namely, electric cooking ovens, electric cooking pots, and electric griddles