Common metals and their alloys; building and construction materials made predominantly of metal; frameworks, boards, panels, ladders, bridges made predominantly of metal; mounts, tubing, tubes, gates, doors and poles made predominantly of metal; fittings for buildings of metal; walkways of metal; handrails of metal materials for walkways; metallic mounting clips for mounting walkways and support structures to a roof; walkway mountings, mountings, clamps, frames, supports and componentry for mounting structures on buildings made predominantly of metal; pre-fabricated support structures made principally or wholly of metal for roof mounting; prefabricated bridges predominantly of metal; metal railings for bridges; architectural metalwork; metal materials for building decoration; screen wall components, curtain walls, screen doors and window screens all made predominantly of metal; parts and fittings for the foregoing

Building materials formed of predominantly non-metal materials; construction materials not of metal; coverings for buildings and walls not made of metal; structural and architectural members formed of predominantly non-metal materials; building and construction materials not made of metal; rails, rods and balustrades, all predominantly non-metal; handrails of non-metallic materials for walkways; non-metallic mounting clips for mounting walkways and support structures to a roof; prefabricated bridges predominantly not of metal; non-metal railings for bridges; beams, panels, boards and screen not of metal; componentry for mounting structures on buildings not made predominantly of metal; screen wall components, curtain walls, screen doors and window screens all made predominantly not of metal; parts and fittings for the foregoing