Geological survey DRILLING WORK Drilling is part of geological survey work, the use of drilling machines with different types of drill bits and rods to drill into the ground to a certain depth (possibly hundreds of meters). During the drilling process, drill cores will be collected for the purpose of describing the geological stratum conditioning …
We desire and always try our best to provide reliable topographic, geological and hydro-meteorological data that can contribute
the suitable, safe and effective design solutions for structures.
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