Fixed towel dispensers of metal; Metal knobs; Commercial waste containers of metal; Fittings of metal for compressed air hoses; Fittings of metal for furniture; Hinges of metal; Manually operated metal valves; Metal bathtub grab bars; Metal hooks; Metal hose clamps; Metal hose fittings; Metal hoses for plumbing use; Metal pipe fittings; Water-pipe valves of metal; Water-pipes of metal