Home > Term: open end method
open end method
A method of mining pillars in which no stump is left; the pockets driven are open on the goaf side and the roof is supported on timbers.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
ผู้สร้าง
- ed.young
- 100% positive feedback
(Milwaukee, United States)