 |
| |||
| нижняя струна | |||
| bottom string: 22 phrases in 7 subjects |
| Drilling | 9 |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Oilfields | 5 |
| Technology | 1 |
|
| |||
| нижняя струна | |||
| bottom string: 22 phrases in 7 subjects |
| Drilling | 9 |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Oilfields | 5 |
| Technology | 1 |