![](http://www.alamy.com/thumbs/6/555B747C-B732-4E83-883C-2BF611CFACE5/2J1PBW9.jpg)
Hand in laboratory Air displacement micro pipettes filling a colorless reaction tube.
Size: 6000px × 4000px
Location: Germany
Photo credit: © Omar Halawi / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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