Test drilling and boring

Test drilling and boring
This class includes:
- test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes
This class excludes:
- drilling of production oil or gas wells, see 06.10, 06.20
- test drilling and boring support services during mining activities, see 09.90
- water well drilling, see 42.21
- shaft sinking, see 43.99
- oil and gas field exploration, geophysical, geological and seismic surveying, see 71.12