Colorful laboratory test tubes in a rack, softly blurred background
Schlüsselwörter
laboratory,
chemistry,
test,
science,
glasses,
laboratory,
tube,
chemical,
research,
medicine,
flask,
experiment,
liquid,
medicals,
scientific,
beaker,
glassware,
equipment,
analysis,
blue,
red,
bottle,
colours,
green,
pharmaceutical
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