Middle age man scientist holding sample at laboratory
Palabras clave
beard,
man,
male,
adult,
elderly,
mature,
person,
photogenic,
senior,
happy,
confident,
smiling,
science,
research,
medicine,
scientist,
experiment,
technology,
medicals,
professional,
microscope,
chemist,
biology,
analysis,
men at work,
working,
test tube,
table,
sitting,
measuring,
measure,
measurement,
liquid,
goggles,
security,
glove,
protection,
sample,
glasses,
clinic,
center,
hospital,
room,
indoor,
indoor,
laboratory,
laboratory,
pharmacy
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