| Shaft sinking
|
- shaft sinking
- freeze shafts
- shaft renovation
- shaft maintenance
- pack building
- underground plant installation
|
| Shaft boring
|
- shaft drilling
- excavation of insets
- bunker construction
- excavation of shaft-zone cavities
|
| Drilling
|
- exploratory drilling above and below ground
- freeze drilling
- directional drilling
- high-tech drilling projects
- large-hole drilling
- raise boring
Special drilling projects for:
- coal mines
- potash and salt mines
- ore mines
- other mining sectors
- geothermal drilling projects
|