down-the-hole drilling

  • 131Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …

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  • 132Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …

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