 |
| |||
| external signaling (ssn); external signalling (ssn) | |||
| внешняя сигнализация: 18 phrases in 5 subjects |
| Automated equipment | 1 |
| Mass media | 1 |
| Programming | 4 |
| Security systems | 1 |
| Telecommunications | 11 |
|
| |||
| external signaling (ssn); external signalling (ssn) | |||
| внешняя сигнализация: 18 phrases in 5 subjects |
| Automated equipment | 1 |
| Mass media | 1 |
| Programming | 4 |
| Security systems | 1 |
| Telecommunications | 11 |