Old male chemist working in the lab
Schlüsselwörter
analysing,
biochemistry,
biology,
biotechnology,
chemical,
chemist,
chemistry,
doctor,
laboratory,
laboratory,
medicals,
research,
scientist,
test,
analysis,
sample,
health,
examining,
health care,
medicine,
tube,
tubing,
glasses,
diagnostic,
blood,
testing,
experiment,
science,
researcher,
glassware,
discovery,
man,
biochemical,
substance,
scientific,
pharmacology,
vaccine,
antibiotic,
tube,
bank,
collecting,
senior,
old,
mature,
experienced,
solution,
liquid
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