Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity.

Coal in China - Wikipedia

Coal in China (million metric tonnes) Production Net import Net available; ... coal mining machinery, coal washing, coal mine environmental protection, ...

Coal mining | World Coal Association

Over 7269 million tonnes (Mt) of hard coal are currently produced worldwide and 787 Mt of lignite. Coal is mined by two methods: surface or 'opencast' mining, and ...

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