 |
| |||
| drilling operation | |||
| drilling | |||
| dredging | |||
| drilling operations | |||
| бурильные работы: 24 do fraz, 11 tematyki |
| Budownictwo | 1 |
| Cement | 1 |
| Górnictwo | 4 |
| Olej i gaz | 2 |
| Pola naftowe | 1 |
| Ropa / ropa naftowa | 3 |
| Sachalin | 3 |
| Technika i technologia | 2 |
| Technologia ropy i gazu | 1 |
| Wiercenie | 5 |
| Wojskowość | 1 |