Home > Term: exploring drift
exploring drift
The working drift approaching old workings whose exact position is uncertain, bored as a precaution against an unexpected holing.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
- 100% positive feedback
(Milwaukee, United States)