6 Iron and Steels, Nonferrous Metals and their Alloys, Metal Ores, Metal Materials Used Exclusively for Building/Construction, Metal Fittings for Buildings, Safes/Safety Cashboxes, Metal Hardware, Prefabricated Metal Building Assembly Kits, Liquid Storage Tanks, Industrial Water Tanks, Liquid Gas Storage Tanks, Gas Storage Tanks, Metal Pulleys, Metal Springs, Metal Valves, Metal Containers, Loading/Unloading Pallets of Metal, Cargo Handling Turn-Tables, Cargo Handling Traversers, Non-Luminous Metal Beacons, Non-Luminous/Non-Mechanical Metal Road Signs, Anchors, Mooring Bits of Metal, Mooring Bollards of Metal, Tool Boxes of Metal, Signboards of Metal, Buckles of Metal, Crampons, Carabiners, Pitons, Diving Boards of Metal