Senior man scientist using laptop working writing on document at laboratory
Palabras clave
senior,
man,
male,
mature,
elderly,
grey-haired,
adult,
person,
photogenic,
happy,
confident,
smile,
smiling,
science,
research,
medicine,
scientist,
experiment,
technology,
medicals,
microscope,
chemist,
biology,
analysis,
men at work,
working,
tube,
test,
goggles,
security,
laptop,
computer,
cyberspace,
earphones,
listening,
music,
writing,
document,
clipboard,
clinic,
center,
hospital,
room,
indoor,
indoor,
laboratory,
laboratory,
pharmacy
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