 |
| electrical unit: 77 phrases in 20 subjects |
| Astronautics | 2 |
| Automobiles | 2 |
| Aviation | 3 |
| Caspian | 2 |
| Drilling | 2 |
| Electrical engineering | 2 |
| Electronics | 3 |
| Energy industry | 22 |
| General | 3 |
| Machinery and mechanisms | 1 |
| Makarov | 2 |
| Military | 6 |
| Oil / petroleum | 5 |
| Oil and gas technology | 2 |
| Oil processing plants | 1 |
| Oilfields | 3 |
| Rail transport | 1 |
| Sakhalin R | 1 |
| Technology | 13 |
| Transport | 1 |