6 Common metals and their alloys unwrought and semi-worked, for further manufacture; building materials made of metal, namely, steel clips, steel spacers and other connection material made of metal for the production of prefabricated formwork systems, namely brackets, angels, bolts, rods, hooks, cramps, hangers; transportable buildings made of metal; materials of metal for railway tracks; non-electric cables and wires made of metal; ironmongery, namely, components of steel clips for steel spacers; small items of metal hardware, namely, components of steel clips, steel spacers and other connection material made of metal, namely, brackets, angels, bolts, rods, hooks, cramps, hangers; pipes and tubes of metal; metal safes; goods made of metal, namely, components of steel clips, steel spacers and other connection material made of metal, namely, brackets, angels, bolts, rods, hooks, cramps, hangers