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What is a typical application of raise boring

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What is a typical application of raise boring?

Answer & Solution
Correct Answer: Option C
Raise boring drills a small pilot hole, then enlarges it to full diameter.The correct answer is: Creating smooth vertical holesUsed for ventilation shafts, ore passes, and service holes.Safer and faster than conventional raises.
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