Showers; Sinks; Commodes being toilets; Earthenware basins being parts of sanitary installations; Hand-held showers; Plumbing fittings, namely, bibbs, cocks, traps, valves; Toilet conversion kits for converting a single-flush toilet into a dual-flush toilet; Toilet stool units with a washing water squirter; Toilet tanks; Water control valves for faucets