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Oro Industry Industries Centrifuge Downloads Media

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1. artisanal gold mining and mercury. artisanal mining is characterized by rudimentary extraction methods veiga 1997.in more than 70 developing countries there are 30 million individuals extracting more than 30 different minerals artisanally veiga et al. 2014a.as the price of gold tripled in the last 10 years the number of artisanal gold miners increased substantially in the rural..

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