1. The miners needed the coal to use in the smelting process . 2. The company diversified its products, developing and selling the by-products of the smelting process . 3. "' Flash smelting "'( ) is a smelting process for sulfur-containing ores including chalcopyrite. 4. They are also a by-product of the aluminium smelting process . 5. Finally, the precipitated copper is collected and refined further through the traditional smelting process . 6. In addition to the smelting process , slag may also form while smithing and refining. 7. The smelting process is carried out entirely by men and often away from the village. 8. Bulk concentrates cannot be treated in Imperial Smelting Process . 9. In August 1961, the Sulphide Corporation opened a new smelter based on the Imperial Smelting Process . 10. The intention of the company was to use a smelting process to solve the mundic problem.
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