| |||
| permit-to-work system (Yeldar Azanbayev) | |||
|
система нарядов-допусков : 4 phrases in 3 subjects |
| Caspian | 1 |
| Occupational health & safety | 1 |
| Technology | 2 |
| |||
| permit-to-work system (Yeldar Azanbayev) | |||
|
система нарядов-допусков : 4 phrases in 3 subjects |
| Caspian | 1 |
| Occupational health & safety | 1 |
| Technology | 2 |