The fully automated vertical shaft boring machine, Qiming, is launched in Taicang city of Jiangsu province. [Photo provided to chinadaily.com.cn] The world's largest-in-diameter automated vertical ...
MINSK, 21 April (BelTA) – The Belarusian potash manufacturer OAO Belaruskali has begun the main stage of the operation meant to sink a cage shaft at the Darasinsky mine, BelTA learned from the company ...
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