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UKCore drill
/kˈɔː dɹˈɪl/
/kˈoːɹ dɹˈɪl/Core drill
[NOUN]1
a specialized drill for creating large-diameter holes or cylindrical cores in concrete, asphalt, or other hard materials
Examples
1. And with a two-meter coring drill, a means to handle that material and get it up from underneath the surface, and then crush pieces of it, subsample, pick it apart.
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