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For rail inspectors, tiny flaws are big trouble

By Yang Jun in Guiyang | chinadaily.com.cn | Updated: 2021-03-03 16:38
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These young railway staff usually walk eight hours a day to detect and repair the damage of the train tracks in Kaili city, Guizhou province. [Photo by Miao Guoqiang/For chinadaily.com.cn]
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