 |
| |||
| safety and security (grafleonov) | |||
| безопасность и защищённость: 4 phrases in 4 subjects |
| Construction | 1 |
| Oil and gas technology | 1 |
| Programming | 1 |
| Software | 1 |
|
| |||
| safety and security (grafleonov) | |||
| безопасность и защищённость: 4 phrases in 4 subjects |
| Construction | 1 |
| Oil and gas technology | 1 |
| Programming | 1 |
| Software | 1 |