Air mover

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A portable compressed-air appliance, which may be used as a blower or exhauster. It converts the compressed air into a large induced volume of moving air. The compressed air is fed through a side inlet and is expanded at a high velocity through an annular orifice. It is useful for emergency ventilation in workings where auxiliary fans cannot be installed. Syn: injector; static air mover. See also: auxiliary ventilation Nelson
Source: Dictionary of Mining, Mineral, and Related Terms

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