Metal materials for building and construction, namely, metal box beams, plated steel, metal dowels, floor panels, reinforcing materials of metal for building, soffits; braces of metal for handling loads; beams of metal; building panels of metal; non-electric cables and wires of common metal; small items of metal hardware in the nature of springs, washers, nuts, bolts, rivets, screws, hooks, screw rings, hinges and metal clips for general use; reinforcing materials of metal for building; fitti...