 |
| power fuel: 148 phrases in 34 subjects |
| Armored vehicles | 1 |
| Astronautics | 6 |
| Automobiles | 1 |
| Aviation | 2 |
| Construction | 4 |
| Ecology | 3 |
| Economy | 1 |
| Electric motors | 1 |
| Electrical engineering | 3 |
| Electricity generation | 1 |
| Electronics | 5 |
| Energy industry | 32 |
| Energy system | 1 |
| Engines | 1 |
| General | 5 |
| Makarov | 5 |
| Military | 4 |
| Mining | 1 |
| Nanotechnology | 8 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 2 |
| Navy | 6 |
| Nuclear and fusion power | 9 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Production | 1 |
| Programming | 3 |
| Rail transport | 1 |
| Sakhalin | 4 |
| Seismology | 1 |
| Solar power | 3 |
| Technology | 22 |
| Thermal Energy | 2 |
| Thermal engineering | 3 |