 |
| |||
| пост электрической централизации (wikipedia.org Exoreug) | |||
| signalling control: 21 phrases in 8 subjects |
| Astronautics | 1 |
| Communications | 2 |
| Electrical engineering | 2 |
| General | 1 |
| Oilfields | 1 |
| Production | 1 |
| Rail transport | 3 |
| Telecommunications | 10 |
|
| |||
| пост электрической централизации (wikipedia.org Exoreug) | |||
| signalling control: 21 phrases in 8 subjects |
| Astronautics | 1 |
| Communications | 2 |
| Electrical engineering | 2 |
| General | 1 |
| Oilfields | 1 |
| Production | 1 |
| Rail transport | 3 |
| Telecommunications | 10 |