Armoured doors of metal; Doors of metal; Folding doors of metal; Locks of metal, other than electric; 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; Portable buildings made primarily of metal; Reinforcing materials of metal for buildings; Roller doors of meta...