6 metal building materials, namely, metal tubes, metal pipes, metal sheets and metal bars and formed pieces of metal of regular and irregular cross-sectional shape for water supply systems and water disposal systems; formed pieces of metal of regular and irregular cross-sectional shape for use in fabricating post and railing structures and enclosures; formed pieces of metal of regular and irregular cross-sectional shape for use in fabricating windows, doors, roller shutters and blinds, skylights, decorative trim, hardware, namely, clips, fasteners, anchors, spacers all for use in fabricating of the formed metal into finished articles