| Part of me thinks what he does here's extremely cool and part of me thinks he looks and sounds like a complete jackleg. |
|
| He quit high school, which was common in those days, and he was a jackleg miner in the McIntyre Mine. |
|
| There's the jackleg, where competitors use a six-foot-long hydraulic drill bit to see who can bore the deepest. |
|
| Rockbolts and rebars are installed using either handheld equipment such as a stoper or a jackleg or mechanized equipment such as a rockbolting rig capable of performing the entire installation cycle mechanically. |
|
| The fact that Rachel is Henry's first cousin doesn't seem to concern either Henry or his angel, who — speaking through Henry's horse — officiates at the jackleg marriage ceremony in a backwoods farmyard. |
|
| He was promoted to mine superintendent in 1937, and demonstrated his progressive approach to mining by introducing the jackleg drill and the Elmco loader at the operation. |
|
| Jackleg drills, very common in the mining industry, have been shown to produce vibration levels that can lead to hand-arm vibration syndrome in their users. |
|
