6 Structured Bridges and Bridge Parts of Metal with Supporting Steel Frameworks; Common Raw and Semi-Wrought Metals and Their Alloys; Cast, Laminated or Profiled Building Materials-Namely, Heavy Girders, Beams, Pile Planks, Hot-Rolled Bars and Concrete Metallic Reinforcements; Sheet Metals, Hot-Rolled and Cold-Rolled Metal Foil, Coated Metal Foil and Cables; Coated and Uncoated Metallic Gratings; Metallic Pipes, Chains, Rails, Railway Shunts, Points, Sidings and Couplings; Forged Metals; Hardware of Metal-Namely, Nails, Nuts, Bolts, Screws, Plugs, Fasteners and Rods; Commercial Wire, Industrial Wire, Upholstery Spring Wire, Wire for Ropes, Prestressed Concrete Wire and Strand, Mechanical Spring Steel Wire, High-Carbon Wire, Stainless Steel Wire, Fencing Wire, Barbed Wire and Welded Wire Mesh