Apparatus and installations for water supply and sanitary purposes; showers, spray fittings, shower heads, shower handsets, shower hoses; water mixing appliances and water taps for use in showers and on baths; thermostatic mixing valves; shower baths, booths, cabins, enclosures, cabinets, cubicles, screens and trays for showers; parts and fittings for the aforesaid goods.;