Chains of metal; Collapsible tubes of metal; Collars of metal for fastening pipes; Foot-operated door openers of metal; Iron wire; Metal conduit; Metal pipe fittings for compressed air pipes; Metal rivets; Metal ropes; Metal tubing; Pipe muffs of metal; Substrates primarily of metal for supporting solar cells, photovoltaic cells and solar collectors; Tubes of metal; Water treatment equipment, namely, metal water storage basins for collecting and storing water; Wire ropes