Home > Term: crown block
crown block
A pulley, set of pulleys, or sheaves at the top of a drill derrick on and over which the hoist and/or other lines run.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Kūrėjas
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
