 |
|
combination detector : 5 phrases in 5 subjects |
| Makarov | 1 |
| Radioengineering | 1 |
| Security systems | 1 |
| Technology | 1 |
| Transport | 1 |
|
|
combination detector : 5 phrases in 5 subjects |
| Makarov | 1 |
| Radioengineering | 1 |
| Security systems | 1 |
| Technology | 1 |
| Transport | 1 |