Sanitary apparatus and installations, namely, bathtubs, bidets, hot tubs, hot water heaters, hot water tanks, lavatories, lavatory bowls, lavatory seats, portable toilets, portable urinals for outdoor activities, showers, sinks, sitz baths, toilet bowls, toilet seats, toilet tanks, toilets, urinals, water closets, whirlpool baths, whirlpools; hot air bath fittings, namely, hot air blowers, saunas; water jets for use in hot tubs; plumbing fittings, namely, bibbs, cocks, traps, valves; bath tub jets; faucets; electrical boilers; drain structures for use in spas, steam rooms and baths; water flushing installations, namely, flushing toilet tanks, flush levers, cistern tanks for toilets, flushometer valves; toilet tank covers being toilet parts made of the same material as the toilet; hydrants; valves for controlling water level in toilet tanks