Aluminium and its alloys; Cast iron, unwrought or semi-wrought; Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of nickel or its alloys; Fittings of metal for flexible pipes; Fittings of metal for rigid pipes; Metal hexagon head bolts; Steel pipes and tubes; Water-pipes of metal; Water hose accessory in the nature of a plastic-coated steel cable having loops at each end that keeps a hose end straight when coupled to a spigot so as not to be damaged when the hose ...