COMMON METALS, BOTH WROUGHT AND UNWROUGHT IN BILLET, BAR, AND ROLL FORMS; METAL BELT STRETCHERS, METAL ANVILS, METAL BELLS, MATERIALS FOR BUILDING INDUSTRY, NAMELY, SHEETS, STRIPS, PROFILED FOR ROOF COVERINGS, WALL CLADDINGS, METALLIC GUTTERS AND PIPES WITH BARE AND PREPATINATED SURFACES WITH ADEQUATE INTERNAL AND EXTERNAL SURFACE FINISHING, TUBES FOR HOT AND COLD WATER DISTRIBUTION AND FOR AIR CONDITIONING AND REFRIGERATION, RODS FOR MANUFACTURING OF VALVES, FAUCETS AND FITTINGS, PROFILES FO...