Irons and steels; nonferrous metals and their alloys; metal materials for building and construction, namely, chimney shafts of metal, stair treads of metal, fasteners for casement windows of metal, guardrails of metal, wall linings of metal, pilings of metal, gratings of metal, tunneling materials in the nature of metal pilings, fences of metal, metal shutters for building or construction, water-pipes of metal, tiles of metal, steel frames for building, boards of metal for shelves as metal materials for building or construction, hinges of metal, handrails of metal, ceiling boards of metal, doors of metal, pillars of metal, wainscotings of metal, metal beams, fire retarding doors of metal, windows of metal, window frames of metal, gates of metal, floor boards of metal for building or construction, louver doors of metal, laths of metal, frames of metal, solar battery module frame in the nature of mounts for solar batteries, metal roofing, roofing tiles of metal, roofing of metal, metal wallboards, exterior materials of metal in the nature of sheet metal, cladding of metal, reinforcing materials of metal, wall, floor and roofing panels of metal, metal ceiling boards for building or construction, duckboards of metal, roof purlins of metal, roof rafters of metal, sleepers of metal used for flooring support, joists of metal, braces of metal, diagonal beams of metal, girders of metals in the nature of support beams, metal hardware in the nature of metal supports for column bases, roof trusses of metal, roof gables of metal, metal plates for diagonal beams, and metal joinery fittings; metal hardware, namely, metal screw rings, washers of metal, reinforcing materials of metal for building, buckles of common metal, binding screws of metal for cables, and stops of metal for use in connection with solar panel mounts; prefabricated building assembly kits of metal; metal hardware, namely, security locks, keys for locks, cut nails, nails, pegs of metal, chains of metal, washers of metal, nuts of metal, padlocks, screws, plugs of metal, bolts of metal, rivets, reinforcing materials of metal for concrete, hardware in the nature of buckles of common metal, binding screws of metal for cables; reservoirs of metal; industrial packaging containers of metal; metal moulds for forming cement, namely, metal casting forms for concrete for use in building and construction; metal pulleys; metal junction for pipes; metal springs and valves; metal flanges; upright sign boards of metal; artificial fish reefs of metal; loading and unloading pallets of metal; transportable greenhouses of metal for household use; containers of metal for transport; steel strip; beacons of metal, non-luminous; steel sheets; road signs of metal; railway points; steel plates; steel pipes and tubes; paint spraying booths of metal; section steel, namely, shaped cold-finished steel bars for use in connection with frames of metal, solar battery module frame, metal components for automobiles, furring strips of metal, vinyl plastic hothouses, metal materials for building or construction, prefabricated building assembly kits of metal, metal beams, pillars of metal, steel frames for building, reinforcing materials of metal, diagonal beams of metal, girders of metal, H-steel, steel angles, channel shaped steels, and I-steel; poultry cages of metal; corrugated steel plates; metal keys for locks; cotter pins of metal; anchors; mooring bitts of metal; mooring bollards of metal; anvils; swage blocks; wire nets and gauzes; wire ropes; water tanks of metal for household purposes; tool boxes of metal, sold empty; tool chests of metal, sold empty; metal stepladders and ladders; letter boxes of metal; metal nameplates and door nameplate; safes; towel dispensers of metal; hat-hanging hooks of metal; crampons for climbing; metal hardware, namely, carabiners; diving platforms of metal; rock pitons of metal; spurs