air-tube breathing apparatus

air-tube breathing apparatus

[¦er ‚tüb ′brēth·iŋ ‚a·pə¦rad·əs]
(engineering)
A device consisting of a smoke helmet, mask, or mouthpiece supplied with fresh air by means of a flexible tube. Also known as air-supply mask.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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