|
bottom plug : 19 phrases in 10 subjects |
| Drilling | 1 |
| Electronics | 1 |
| Immunology | 1 |
| Mining | 1 |
| Oil / petroleum | 5 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Roll stock | 1 |
| Sakhalin | 1 |
| Technology | 6 |
|
bottom plug : 19 phrases in 10 subjects |
| Drilling | 1 |
| Electronics | 1 |
| Immunology | 1 |
| Mining | 1 |
| Oil / petroleum | 5 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Roll stock | 1 |
| Sakhalin | 1 |
| Technology | 6 |