Malik Hooker Womens Jersey  10 Extreme Dangerous Biggest Coal Mining Equipment World's Most Powerful Heavy Boring Machines Truck





10 Extreme Dangerous Biggest Coal Mining Equipment World's Most Powerful Heavy Boring Machines Truck



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Coal is the official state mineral of Kentucky.


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About: 10 Extreme Dangerous Biggest Coal Mining Equipment World's Most Powerful Heavy Boring Machines Truck


I'm so claustrophobic watching this
All mining should be done by hand.
👍


Coal stock


Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction.

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Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption was about 7.25 billion tonnes in 2010 The price of coal increased from around $30.00 per short ton in 2000 to around $150.00 per short ton as of September 2008. In early 2015, it was trading near $56/ton.