![](http://www.alamy.com/thumbs/6/BE5D4C47-77A5-439D-91EB-9F96CF980AA5/2J1PC5W.jpg)
Hand in laboratory Air displacement micro pipettes filling a colorless reaction tube.
Size: 4000px × 6000px
Location: Germany
Photo credit: © Omar Halawi / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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