[Class : 6] Construction Steel Tmt, Rebar, Round, Structural Steel Angle, Channel, I Beam/Garter, Flat, Unwrought And Partly Wrought Common Metals And Their Alloys; Iron & Steel, Anchors Anvils, Bells Rolled And Cast Building Materials; Rails And Other Metallic Materials For Railway Tracks; Chains (Except Driving Chains For Vehicles); Cables And Wires (Non Electric); Locksmith"S Work; Metallic Pipes And Tubes; Safes And Cash Boxes; Jewel Boxes Steel Balls; Horseshoes; Nails And Screws;