Apparatus for regulating water supply and water conservation, namely, toilet retrofits for reducing water consumption; plumbing fittings, namely, shower heads for reducing water consumption; plumbing fixtures, namely, tap and shower flow reducers for reducing water consumption

Water meters; apparatus for regulating electricity, not being parts of plumbing, heating, cooling installations or machines

Gold and its alloys, worked and semi-worked, for dental use; alloys of precious metals for dental use; alloys and brazing alloys for dental prostheses; amalgams and mercury for dental use; ceramics for dental use and synthetic materials for dental fillings