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why do many zimbabweans choose to use a hammer mill to process gold mines

why do many zimbabweans choose to use a hammer mill to process gold mines

The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.Extracting A Metal From Its Ore .to be extracted by a process called electrolysis. metals with low chemical activity, such a gold and silver are normally found in their pure state. copper, tin, lead, and iron are more reactive and must be heated with carbon to extract the metals. aluminum, calcium, sodium and other active metals are extracted using electrolysis..

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