Brackets of metal for building; Brick siding components, namely metal track and metal clips; Building wall framing made primarily of metal; Cast iron for use in hydraulics, sanitation, road systems and buildings; Common metals and their alloys including stainless steel; Construction elements made of metal, namely, shores; Door fittings of metal; Fittings of metal for windows; Metal clamp-type fasteners for holding in place curtains, tarps, canvas, cloth and film covering material; Metal profi...