 |
| hydraulic line: 88 phrases in 20 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Cement | 1 |
| Drilling | 1 |
| Hydraulic engineering | 3 |
| Hydrology | 1 |
| Machine components | 1 |
| Makarov | 5 |
| Mining | 3 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Road works | 2 |
| Sakhalin | 5 |
| Technology | 46 |
| Transport | 4 |
| Water resources | 2 |