scientist wash beaker from poisonous acid after experiments b
Schlüsselwörter
laundered,
beaker,
science,
water,
biochemistry,
chemistry,
laboratory,
scientist,
sink,
glasses,
agent,
bottle,
education,
glassware,
student,
pot,
properly,
reagent,
running water,
solvent,
washbasin,
well,
background,
blue,
clean,
liquid,
chemical,
equipment,
flask,
laboratory,
test
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