 |
| |||
| ПУБЭ (правила устройства и безопасной эксплуатации Quelle) | |||
| Rules for arrangement and safe operation: 6 phrases in 2 subjects |
| Oil / petroleum | 5 |
| Tengiz | 1 |
|
| |||
| ПУБЭ (правила устройства и безопасной эксплуатации Quelle) | |||
| Rules for arrangement and safe operation: 6 phrases in 2 subjects |
| Oil / petroleum | 5 |
| Tengiz | 1 |