![](http://www.alamy.com/thumbs/6/CABF0AB2-E35A-4F35-9E76-6F7020856D42/G76JF5.jpg)
Man setting up ventilation system indoors.
Size: 3296px × 3036px
Photo credit: © M-Production / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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