Scientist arranging test tube in rack while working in laboratory
Schlüsselwörter
scientist,
arranging,
test,
tube,
rack,
working,
laboratory,
science,
1,
people,
adult,
man,
day,
workplace,
chemistry,
natural,
occupation,
job,
hand,
chemist,
development,
young,
male,
holding,
caucasian,
blue,
colours,
arrangement,
expertise,
research,
liquid,
coat,
medicine,
surgical,
glove,
chemical,
stem
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