 |
| устройство аварийной сигнализации: 8 phrases in 4 subjects |
| Automated equipment | 5 |
| Nuclear and fusion power | 1 |
| Rail transport | 1 |
| Technology | 1 |
|
| устройство аварийной сигнализации: 8 phrases in 4 subjects |
| Automated equipment | 5 |
| Nuclear and fusion power | 1 |
| Rail transport | 1 |
| Technology | 1 |