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gold ores design theory in tanzania

Jan 25 2013 · An estimated 05 to 15 million informal miners of whom 3050 are women rely on artisanal mining for their livelihood in Tanzania Mercury used in the processing gold ore and arsenic which is a constituent of some ores are common occupational exposures that frequently result in widespread environmental contamination Frequently the mining activities are conducted haphazardly ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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