Common metals and their alloys; metal building materials; non-electric cables and wires of common metals; ironmongery, small items of metal hardware; pipes and tubes of metal; bolts of metal, for attaching or reinforcing; brackets of metal; cast-in metal plates; metal fasteners; formwork for concrete, of metal; gaskets of metal; metal lifters, metal lifting inserts; metal ferrules; metal swiftlifts; lifting clutches; threaded metal bars; recess formers; reinforcing materials, of metal, for concrete; goods of common metal not included in other classes