 |
| |||
| non-aqueous-based (igisheva); solvent-based (igisheva) | |||
| на неводной основе: 10 phrases in 6 subjects |
| Drilling | 3 |
| Firefighting and fire-control systems | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Physical chemistry | 3 |
| Sakhalin | 1 |
|
| |||
| non-aqueous-based (igisheva); solvent-based (igisheva) | |||
| на неводной основе: 10 phrases in 6 subjects |
| Drilling | 3 |
| Firefighting and fire-control systems | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Physical chemistry | 3 |
| Sakhalin | 1 |