Scientist observing liquid reagent
Schlüsselwörter
scientist,
man,
chemical,
technician,
laboratory,
laboratory,
test,
tube,
liquid,
men at work,
male,
checking,
observing,
chemist,
researcher,
take,
fluid,
flask,
reagent,
glasses,
holder,
experiment,
equipment,
instrument,
science,
chemistry,
assistant,
research,
examining,
analysing,
atom,
result,
substance,
sample,
molecular,
structure,
researching,
technology,
exam,
discovery,
job,
person,
analysis,
reaction,
profession,
caucasian,
adult,
horizontal,
background
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