 |
| |||
| delivery mechanisms (qwarty) | |||
| механизм доставки: 3 phrases in 3 subjects |
| Computer networks | 1 |
| Oil / petroleum | 1 |
| Security systems | 1 |
|
| |||
| delivery mechanisms (qwarty) | |||
| механизм доставки: 3 phrases in 3 subjects |
| Computer networks | 1 |
| Oil / petroleum | 1 |
| Security systems | 1 |