Placards of metal; Metal hardware, namely, nuts; Metal window jambs; Fences of metal; Metal hooks; Metal hose fittings; Metal house numbers; Furniture casters of metal; Water-pipe valves of metal; Metal karabiners; Works of art of non-precious metal; Bins of metal; Metal guardrails; Strongboxes; Metal gates and fences; Metal door locks; Crampons for climbing; Doors and windows of metal; Doors of metal