|
on-line device : 6 phrases in 4 subjects |
| Electrical engineering | 1 |
| Information technology | 1 |
| Makarov | 2 |
| Security systems | 2 |
|
on-line device : 6 phrases in 4 subjects |
| Electrical engineering | 1 |
| Information technology | 1 |
| Makarov | 2 |
| Security systems | 2 |