Home > Term: Banka drill
Banka drill
A portable, manually operated system used in prospecting alluvial deposits to depths of 50 ft (15.2 m) or more. Also known as an Empire drill.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
ผู้สร้าง
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
