Continuous driving

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In this operation, the same personnel do the drilling, blasting, and mucking while working continuously round after round. They can in this way--except for the time for ventilation--be at work during the whole shift. Continuous driving is used when the advance per round is low and the mucking or the drilling and blasting do not need more than a part of the shift. Langefors
Source: Dictionary of Mining, Mineral, and Related Terms

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