 |
| |||
| interlocking control | |||
| switches-and-signals interlocking | |||
| centralized control of points and signals | |||
| централизация стрелок и сигналов: 12 do fraz, 3 tematyki |
| Kolejnictwo | 7 |
| Makarowa | 2 |
| Technika i technologia | 3 |
|
| |||
| interlocking control | |||
| switches-and-signals interlocking | |||
| centralized control of points and signals | |||
| централизация стрелок и сигналов: 12 do fraz, 3 tematyki |
| Kolejnictwo | 7 |
| Makarowa | 2 |
| Technika i technologia | 3 |