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WordNet-Online
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Definitions from the WebRaise BoreDescription:Raise bore is a drilling method used in mining and tunneling industries where a pilot hole is drilled downwards, and then the hole is enlarged to a larger diameter. It is commonly used to create ventilation shafts, mine shafts, or large-diameter holes for various purposes. Sample Sentences:- The company used a raise bore technique to create a ventilation shaft in the underground mine. - The raise bore machine drilled a pilot hole, and then gradually enlarged it to the desired diameter. - Raise bore drilling is a cost-effective and efficient method for creating large-diameter holes in challenging geological conditions. Possible Related Products: | ||||
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