Closeup of unrecognizable scientist using pipette while dripping drops of red liquid into glass test tubes on rack in lab
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Closeup of unrecognizable scientist in protective workwear adding some drops of red liquid into glass beaker with green liquid using pipette while conducting experiment in lab
person drops brown liquid from glass pipette onto palm in black background extreme close view
Closeup drops of blood falling in water. Laboratory glassware with blood. Scientist stirring red liquid in flask with pipette. Medical researcher making blood test for patients with coronavirus
Pipette drop the sample into test tube
man drops light brown liquid into plastic measuring spoon from pipette on black background extreme close view
scientist drops light brown liquid from pipette into plastic measuring cup on black background extreme close view
chemist worker pouring a drop of red liquid into beaker with water. mixing and reaction spbas . concept expertise, examine, study. scientist pour liquid using pipette.
Essential oil drops from a pipette in a bottle
Black female research scientist making experiment with hamster in modern chemistry laboratory using pipette to drop some liquid to the container.
Two labors pack a liquid with a pipette on the lid