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the gold ore extraction equipment made of steel in solid s making

the gold ore extraction equipment made of steel in solid s making

Goldis purified by means of a smelting process, which utilizes pressure, high heat and chemicals to accomplish the task. Like any metal that appears naturally in the earth, there are impurities that must be removed. Removing minerals and other impurities allowsgoldto be used in its purest form, which is …

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