 |
| |||
| safe working environment (Alexander Demidov) | |||
| безопасные условия работы: 8 phrases in 5 subjects |
| Construction | 2 |
| Ecology | 1 |
| General | 3 |
| Road works | 1 |
| Security systems | 1 |
|
| |||
| safe working environment (Alexander Demidov) | |||
| безопасные условия работы: 8 phrases in 5 subjects |
| Construction | 2 |
| Ecology | 1 |
| General | 3 |
| Road works | 1 |
| Security systems | 1 |