| |||
| инструкция по безопасному ведению работ (Yeldar Azanbayev) | |||
|
instruction of safe operation : 4 phrases in 1 subject |
| Oil / petroleum | 4 |
| |||
| инструкция по безопасному ведению работ (Yeldar Azanbayev) | |||
|
instruction of safe operation : 4 phrases in 1 subject |
| Oil / petroleum | 4 |