[Class : 6] Gratings, Handrails, Cable Trays; Floor Gratings, Stair Treads, Safety Handrails, Wire Mesh, Unwrought And Partly Wrought Common Metals; Metal Alloys; Copper And Other Metal Pipes And Tubes; Metal Rods, Bars, Rings, Strips And Sections; Metals Sheets And Flats; Cables, Wires And Coils (Non Electric); Chains Except Driving Chains For Vehicles; Rolled And Cast Building Materials; Nails.