Metal building materials, namely: posts, battens, connectors, brackets, pipes, tubes, shutters and rails, namely: metal fence rails; fences of common metals and their alloys, namely: chain-link fences, galvanized fences, metal ornamental fences, aluminium lattice fences, gates and fencing panels, rail and post fences, rail and picket fences; gates of common metals and their alloys, namely: fence gates and gates for use with fencing systems; railings and balustrades of common metals and their alloys.