Home > Term: wide opening
wide opening
An underground excavation whose width is greater than two or three times its height.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Δημιουργός
- ed.young
- 100% positive feedback
(Milwaukee, United States)