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- Manufacture of basic precious metals and by products (gold, silver & metals of platinum group) (3)
- Manufacturing of Copper (includes basic processing, smelting, refining for production of base metal; its further rolling, drawing and extruding; and production of powders or flakes, foil, plates, sheets or strip, bars, rods, profiles, wires, tubes, pipes and tube or pipe fittings) (1)