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A lab assistant at the chemistry desk is using a variety of tools to check the quality of water before it goes on sale.

Scientist in chemical laboratory in respirator pours clear solution from test tube into a beaker. specialist makes scientific experiment in chemistry. pharmaceutical research and development concept

Hand in gloves stick water bottle. Close up of laboratory worker sticking sticker at bottle with transparent liquid. Laboratory research

Chemical laboratory. Young woman making an experiment, liquid changing color. Hands in focus

Doctor Examines An X-ray Of The Patient On Tablet. Stethoscope And Medical Objects On Table

Scientist Man In Protective Glasses Studies Sample Into Test Tube. Medical Research Concept

Young Scientist In Gloves And Protective Glasses Scientist Studies Sample. Medical Technology Research Concept