 |
| |||
| нормы и правила техники безопасности (translator911) | |||
| safety regulations and rules: 3 phrases in 3 subjects |
| Drilling | 1 |
| General | 1 |
| Law | 1 |
|
| |||
| нормы и правила техники безопасности (translator911) | |||
| safety regulations and rules: 3 phrases in 3 subjects |
| Drilling | 1 |
| General | 1 |
| Law | 1 |