 |
| |||
| inverted signal | |||
| обращенный сигнал: 8 phrases in 4 subjects |
| Information security and data protection | 4 |
| Rail transport | 1 |
| Security systems | 2 |
| Shipbuilding | 1 |
|
| |||
| inverted signal | |||
| обращенный сигнал: 8 phrases in 4 subjects |
| Information security and data protection | 4 |
| Rail transport | 1 |
| Security systems | 2 |
| Shipbuilding | 1 |