Tombac; Alloyed steels; Alloys of common metal; Arbors of metal; Bolt snaps of metal; Cast steel; Casting alloys; Construction materials, namely, metal piles; Door handles of metal; Fences of metal; Furniture fittings of metal; Handrails of metal; Hardware, namely, metal brackets for general use; Joists of iron or steel; Metal joists; Metal tubing; Pillars of metal for building; Pipe tubes of metal; Stainless steel