6 Common metals and their alloys, in a finished condition, namely, insulated metal panels; building materials of metal, namely, insulated metal panels, bollards, joints, bolts, nails, fascia, barriers, hinges, snap locks; transportable buildings of metal; electric cables and wires of common metal; ironmongery, namely, bolts and nails; small items of metal hardware, namely, bollards, joints, bolts, nails, barriers, hinges, snap locks; pipes and tubes of metal; safes; goods of common metal not included in other classes, namely, bollards, bolts, nails, joints, snap locks; ores of metal