 |
| sedimentation tank: 14 phrases in 8 subjects |
| Agronomy | 1 |
| Construction | 5 |
| Ecology | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Production | 1 |
| Technology | 1 |
| Water supply | 1 |
|
| sedimentation tank: 14 phrases in 8 subjects |
| Agronomy | 1 |
| Construction | 5 |
| Ecology | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Production | 1 |
| Technology | 1 |
| Water supply | 1 |