 |
| |||
| crow's nest | |||
| safety board; work platform; working platform; kelly board | |||
| полати буровой вышки: 6 phrases in 3 subjects |
| Drilling | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
|
| |||
| crow's nest | |||
| safety board; work platform; working platform; kelly board | |||
| полати буровой вышки: 6 phrases in 3 subjects |
| Drilling | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |