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A chemist conducts a study of the stiffness of the solution. Laboratory PH measurement. A device for measuring PH chemically. Modern equipment for
A chemist conducts a study of the stiffness of the solution. Laboratory PH measurement. A device for measuring PH chemically. Modern equipment for pharmaceutical production. A scientist is conducting an experiment.
Size: 4480px × 6720px
Location: Swaziland
Photo credit: © Neznamov Serhii / Alamy / Afripics
License: Royalty Free
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