Apparatus for water supply and sanitary purposes; baths, bathtubs, whirlpool baths and bath installations; showers and shower installations; shower and bath enclosures; electric showers; electric water heaters; shower and bath cubicles; shower pans; shower heads; shower doors; water diverters; shower spray heads; basins; bidets; lavatories; toilets; toilet bowls; toilet seats; water closets; sink pedestals; metal sinks and metal sink units; taps; faucets; water filters; thermostatically, infrared, radar or electronically controlled faucets; electric hand dryers; strainers for use with sinks, baths and shower trays; stoppers for use with sinks, baths and shower trays; bath spouts; water control valves for water cisterns; water control valves for faucets; urinals; water cisterns; bathroom fixtures and fittings; saunas; sanitary apparatus and installations; sanitaryware