| |||
| кессон | |||
|
closed caisson : 5 phrases, 3 sujets |
| Construction | 1 |
| Exploitation minière | 3 |
| Technologie pétrolière et gazière | 1 |
| |||
| кессон | |||
|
closed caisson : 5 phrases, 3 sujets |
| Construction | 1 |
| Exploitation minière | 3 |
| Technologie pétrolière et gazière | 1 |