Common metals and their alloys; metal building materials; transportable buildings of metal; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; connectors, fasteners, joints and fixing products of metal for connecting precast elements, such as wall elements, parapets, columns or slab elements; building materials of metal, namely metal beams; steel beams; fastening plates of metal or steel; nuts, bolts and fasteners of metal; met...