 |
| |||
| signal box (ssn) | |||
| signal cabin | |||
| signal tower | |||
| tower signal station | |||
| пост сигнализации: 9 phrases in 7 subjects |
| Automated equipment | 1 |
| Firefighting and fire-control systems | 1 |
| Hydraulic engineering | 1 |
| Military | 1 |
| Molikpaq | 3 |
| Nautical | 1 |
| Rail transport | 1 |
|
| |||
| signal box (ssn) | |||
| signal cabin | |||
| signal tower | |||
| tower signal station | |||
| пост сигнализации: 9 phrases in 7 subjects |
| Automated equipment | 1 |
| Firefighting and fire-control systems | 1 |
| Hydraulic engineering | 1 |
| Military | 1 |
| Molikpaq | 3 |
| Nautical | 1 |
| Rail transport | 1 |