In antiquity mercury was considered a medicine. Today we know how toxic it really is. Only this year did environmental ministers at a UN summit agree to ban its use. But penniless gold miners often either don't know the risks involved or have no other choice but to use the toxic metal.One case is Guyana,in South America. But there the government has passed a law that miners must wear protective clothing while in contact with mercury.
Global 3000 | Mining Gold in Guyana
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