forced auxiliary ventilation

forced auxiliary ventilation

[¦fȯrst ȯg¦zil·yə·rē ‚vent·əl′ā·shən]
(mining engineering)
A system in which the duct delivers the intake air to the face.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.