 |
| |||
| свободный газ | |||
| gaz libre: 6 phrases in 4 subjects |
| Geology | 3 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
|
| |||
| свободный газ | |||
| gaz libre: 6 phrases in 4 subjects |
| Geology | 3 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |