Aluminium and its alloys; Bathtub grab bars of metal; Branching pipes of metal; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of aluminium or its alloys; Copper pipes; Doors and windows of metal; Metal hooks; Metal nuts; Metal pipe connectors; Metal scaffolding; Metal shims; Plant hangers of metal; Stainless steels; Steel pipes and tubes; Towel hooks of metal