Common metals and their alloys; metal building materials consisting of structural joint connectors of metal; transportable buildings of metal; non-electric cables and wires of common metal; pipes and tubes of metal; connectors, fasteners, joints and fixing products consisting of metal expansion joints for floors and walls and dowels of metal for connecting precast elements, such as wall elements, parapets, columns or slab elements; building materials of metal, namely metal beams; steel beams;...