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What Is A Beatrice In Coal Mining

Coal mining is the most dangerous occupation in china, the death rate for every 100 tons of coal mined is 100 times that of the death rate in the us and 30 times that achieved in south africa.Moreover, 600,000 chinese coal miners, as of 2004, were suffering from coalworkers pneumoconiosis known as black lung a disease of the lungs caused.

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