 |
| |||
| промышленный газ | |||
| gaz des usines: 6 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 5 |
| Oil and gas technology | 1 |
|
| |||
| промышленный газ | |||
| gaz des usines: 6 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 5 |
| Oil and gas technology | 1 |