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Recovering Mercury and Gold with a Shaker Table from Tailings Sudan, Africa mbmmllc 19:14 4 years ago 99 421 Скачать Далее
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Workers in Zimbabwe exposed to toxic mercury in illegal gold mining operations PBS NewsHour 5:32 1 year ago 13 486 Скачать Далее
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The Real Price Of Indonesia’s Mercury-Poisoned Gold | Undercover Asia | Full Episode CNA Insider 46:19 11 months ago 122 616 Скачать Далее
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