![](http://www.alamy.com/thumbs/6/0ED0C2F6-CC33-472B-8A30-A1BD0D95034E/DWC411.jpg)
Coloured SEM of a spring
Size: 5000px × 3750px
Location: Shippensburg, PA, USA
Photo credit: © Gregory S. Paulson / Alamy / Afripics
License: Royalty Free
Model Released: No
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