 |
| |||
| picker | |||
| gadder; pitching-borer; drill | |||
| pitching jumper; hand-churn drill | |||
| jumper bit; jumper drill | |||
| pitching jumper; pitching borer | |||
| jumper (короткий бур) | |||
| starting borer; gad picker | |||
| starting bit | |||
| gad; borer; collaring bit; short borer; sinker; pitching borer; starting barrel (укороченная колонковая труба) | |||
| jumper; starter; Burster | |||
| забурник: 3 phrases in 1 subject |
| Oil / petroleum | 3 |