Gloved hand holding two test tubes with colored liquids for laboratory analysis
Schlüsselwörter
test tube,
liquid,
laboratory,
red,
black,
glove,
hand,
protection,
safety,
experiment,
medicals,
testing,
analysis,
scientific,
sample,
chemical,
research,
biological,
sterile,
disposable,
experimental,
containment,
hazard,
study,
diagnostic,
reagent,
precaution,
medicine
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