 |
| return flow: 71 phrases in 31 subjects |
| Accounting | 5 |
| Aerodynamics | 1 |
| Aerohydrodynamics | 2 |
| Agriculture | 4 |
| Artillery | 1 |
| Astronautics | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 1 |
| Drilling | 1 |
| Ecology | 4 |
| Economy | 3 |
| Electronics | 1 |
| Energy industry | 1 |
| Gas processing plants | 2 |
| General | 1 |
| Heating | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 1 |
| Metallurgy | 1 |
| Molikpaq | 3 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Physics | 1 |
| Refrigeration | 2 |
| Shipbuilding | 6 |
| Technology | 15 |
| Thermal engineering | 1 |
| Transport | 1 |
| Water resources | 1 |