 |
| |||
| boiler system (igisheva) | |||
| котельная система: 8 phrases in 5 subjects |
| Caspian | 1 |
| Energy industry | 3 |
| Sakhalin | 2 |
| Tengiz | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| boiler system (igisheva) | |||
| котельная система: 8 phrases in 5 subjects |
| Caspian | 1 |
| Energy industry | 3 |
| Sakhalin | 2 |
| Tengiz | 1 |
| Weapons of mass destruction | 1 |