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What is the primary support used in weak underground conditions

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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What is the primary support used in weak underground conditions?

Answer & Solution
Correct Answer: Option B
Timber sets are commonly used to support weak or fractured rock.The correct answer is: Timber setsComposed of vertical and horizontal wooden beams, they stabilize tunnels and stopes.Especially useful in narrow vein mines and older operations.
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