Metal spacer brackets for building walls and decking; Guard rails of metal; Ducts and pipes of metal for central heating installations; 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; Decorative metal sheets consisting of an aluminum or steel substrate and a p...