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carry water, stones and tailings for (re)processing. The bizalu (15%) are responsible for reprocessing ore residues to extract small amounts of left over gold. Less well represented are bongeteuses (%), who break up larger stones into smaller pieces, to allow for crushing by the grinding machine.
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Arrastra, simple mill for grinding and pulverizing (typically) gold or silver ore. Roller mill, an equipment for the grinding or pulverizing of grain and other raw materials using cylinders; Stamp mill, a specialized machine for reducing ore to powder for further processing or for fracturing other materials
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Making mercury history in the artisanal smallscale gold, The artisanal smallscale gold mining (ASGM) sector exposes miners to toxic mercury when they use the chemical to extract gold from ore However, with the right policies and market incentives, ASGM presents an opportunity to fight mercury use and contamination, protecting miners'' health and the environment at the same time
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Artisanal mining ipfsio. Artisanal mining in South Africa probably has a long history, but this has not been documented For Zimbabwe, Roger Summers has mapped extensive precolonial mines, prospecting trenches, and early processing sites, but this has so far not been done for South Africa Violence is a constant problem in the artisanal mining sector
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