 |
| flushing water: 35 phrases in 16 subjects |
| Astronautics | 1 |
| Cement | 1 |
| Construction | 4 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 2 |
| Geology | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Mining | 3 |
| Oil / petroleum | 5 |
| Oil and gas | 4 |
| Oilfields | 1 |
| Road works | 1 |
| Technology | 6 |
|
| flushing water: 35 phrases in 16 subjects |
| Astronautics | 1 |
| Cement | 1 |
| Construction | 4 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 2 |
| Geology | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Mining | 3 |
| Oil / petroleum | 5 |
| Oil and gas | 4 |
| Oilfields | 1 |
| Road works | 1 |
| Technology | 6 |