Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of aluminium or its alloys;Steel in sheet, rod, bar and/or billet form;Metal components for metal protective and security window shutters, namely, slats, shutterboxes, side frames, end caps, crank handles, pull straps, side tracks, ball bearings and installation hardware, namely, rollers, rails, cables, carriers, pins, locks, clips, brackets and screws;Metal profiles made of steel, iron, nickel, titanium and other m...