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23 September 2014. Engineers are developing a new generation of robotic mining equipment to cut the cost of extracting coal and to make more seams of the fuel economically viable as China tries to produce enough energy to power the world's second-largest economy.

SOUTH CHINA MORNING POST

http://www.scmp.com/news/china/article/1598242/coal-tunnelling-machines-cut-mine-risks-also-threaten-pit-jobs

 

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