Aluminum alloys; Architectural metalwork; Guard rails of metal for railways; Handrails of metal; Metal bathroom hardware, namely, pulls; Metal castings; Metal clips for general use; Metal locksets; Metal railings for fences, balconies, bridges; Metal scaffolding; Metal swimming pools; Metal trim for buildings; Metal tubing; Pipework of metal; Plugs of metal; Rails of metal; Steel wire rope; Water-pipe valves of metal; Wire mesh; Zinc and its alloys