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The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point) underground mining. underground mining. placer mining. placer mining. blasting. blasting. directional drilling.

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dudleycierra024

Answer: Directional Drilling and Tunneling: Drilling is a critical component in many segments ... Tunneling and drilling operations fall into two broad categories: (1) ... The first category includes all drill-and-blast and manual methods, and flexible mining ... in the subsurface, including fault zones or regions of known "difficult" rock

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