Building wall framing made primarily of metal; Door frames of metal; 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 door frames; Metal door hardware, namely, non-powered door actuators; Metal doors; Metal railings for architectural features and historic...