![](http://www.alamy.com/thumbs/6/08D32026-3CF5-4DF4-A62E-C78A17CC79FD/2X6B1DY.jpg)
Duct openings for tower crane motor cooling fans
Size: 6000px × 4000px
Photo credit: © Kollayut Jantawong / Alamy / Afripics
License: Royalty Free
Model Released: No
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