 |
| |||
| external upset eu (andrushin) | |||
| external upset (концов труб); external upset eu | |||
| EU (external upset) | |||
| наружная высадка: 24 do fraz, 7 tematyki |
| Olej i gaz | 5 |
| Ropa / ropa naftowa | 7 |
| Rurociągi | 1 |
| Sachalin | 1 |
| Technika i technologia | 5 |
| Technologia ropy i gazu | 4 |
| Wiercenie | 1 |