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In loose or alluvium the bench height should
A gallery in the process of being driven.
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Match the following for ore handling operations in an underground metal mine Arrangement Description a. Draw point 1. arrangement that prevents oversized rock to pass b. Ore pass 2. a system of vertical or near vertical openings for transferring ore from a stope to a single delivery point c. Grizzly 3. a place where ore can be loaded and removed d. Finger raise 4. a vertical or inclined opening used for transferring ore