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The process of enlarging a shaft or tunnel is called

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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The process of enlarging a shaft or tunnel is called:

Answer & Solution
Correct Answer: Option B
Slashing refers to enlarging underground openings.The correct answer is: SlashingUsed to improve access or increase production capability.Different from reaming, which enlarges boreholes.
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