![](http://www.alamy.com/thumbs/6/BB60133D-5C96-41F1-B164-EE94B8A15FC6/G76JF6.jpg)
Man setting up ventilation system indoors.
Size: 2932px × 4095px
Photo credit: © M-Production / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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