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  1. A fan employed in forcing air either into a mine or into one portion of a mine. A portable blower, also known as a tubing blower or room blower, is used in ventilating small dead-end places like rooms and entries or gangways. Jones, 1
  2. The sudden emission of combustible gases from the coal seam or surrounding rock. Blowers vary considerably in violence and magnitude from small emissions that make a hissing noise to severe outbursts. Nelson
  3. Eng. A worker who blasts or fires shots in a mine, or who drills the holes and charges them, ready for firing. Fay

Source: Dictionary of Mining, Mineral, and Related Terms

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