Home > Term: floor sill
floor sill
A large timber laid flat on the ground or in a level, shallow ditch to which are fastened the drill-platform boards or planking.
- 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)