Unwrought or semi-wrought iron; unwrought or semi-wrought steel; steel wire; steel; steel tubes; steel sheets; metal pipes and tubes; ores of metal; buildings of metal namely, modular metal buildings; signboards of metal; materials of metal for exclusive use in building or construction, namely, framework of metal for building, girders of metal, beams of metal, brackets of metal for building, metal reinforcement materials for buildings, metal building fascia, metal building panels, metal build...