Common metals and their alloys; metal building materials; buildings of metal including metal carports, metal sheds, metal pergolas and metal verandahs and parts and fittings therefor included in this class; buildings of metal sold in kit form and parts and fittings therefor included in this class; metal framework; metal sheet; metal panels; metal posts and poles; metal strips, pipes and tubes; metal decking; metal flooring; ironmongery, small items of metal hardware included in class 6