Water-pipe valves of metal; valves, namely, drain traps of metal; nozzles of metal, namely, non-automatic fueling nozzles; locks of metal, other than electric; valves of metal, other than parts of machines; towel dispensers, fixed, of metal; elbows of metal for pipes; pipework of metal; water-pipes of metal; fences of metal; roofing of metal, incorporating photovoltaic cells; drain pipes of metal; junctions of metal for pipes; manifolds of metal for pipelines