Metal building materials; structures and transportable buildings of metal; metal barriers; crash barriers of metal; metal guard barriers for roads; metal barriers for highway and road safety and traffic control; metal barrier systems, namely, metal barriers for vehicle and pedestrian traffic control and preformed lengths of metal, metal fastening joints and couplers for the barriers; metal structures, namely preformed lengths of metal, metal beams and rails, metal fastening joints and couplers for use in building, civil engineering, traffic management, highway applications and highway maintenance; metal fences, fence posts, rails, railings and gates; parts and fittings for the aforesaid goods