 |
| |||
| safety of industrial equipment (Leonid Dzhepko) | |||
| безопасность производственного оборудования: 4 phrases in 3 subjects |
| Occupational health & safety | 2 |
| Oil and gas | 1 |
| Security systems | 1 |
|
| |||
| safety of industrial equipment (Leonid Dzhepko) | |||
| безопасность производственного оборудования: 4 phrases in 3 subjects |
| Occupational health & safety | 2 |
| Oil and gas | 1 |
| Security systems | 1 |