Faucets of metal for casks; Manually operated metal valves; Mechanical fastening elements of metal; Metal adapters for use with hydraulic and pneumatic systems; Metal couplings for use with hydraulic and pneumatic systems; Metal fasteners, namely, bolts, nails, rivets, screws; Metal faucets for casks; Metal pipe couplings and joints; Metal thread adapters for use with hydraulic and pneumatic systems; Water-pipe valves of metal