Home > Term: shaft-sinking drill
shaft-sinking drill
A large-diameter drill with multiple rotary cones or cutting bits used for shaft sinking. An adaptation from oil well drills.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Looja
- ed.young
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(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
