Dramatic changes for Chinese miners in the last 30 years
2015-03-23 06:27
By (chinadaily.com.cn)
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[Security] Miners-to-be take a class during their three-month training, at Shandong Energy Feicheng Mining Group, Oct, 2013. After 30 years' development, security training and thresholds for being a miner have greatly improved. [Photo/news.qq.com]
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