4313 Test drilling and boring

[0]

Includes

- test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes [0]

Also includes

[0]

Does not include

- drilling of production oil or gas wells, see 0610, 0620
- test drilling and boring support services during mining activities, see 0990
- water well drilling, see 4221
- shaft sinking, see 4399
- oil and gas field exploration, geophysical, geological and seismic surveying, see 7112 [0]

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