Middle age man and woman scientists working at laboratory
Palabras clave
senior,
mature,
elderly,
adult,
portrait,
beard,
woman,
man,
female,
science,
research,
medicine,
scientist,
experiment,
technology,
medicals,
professional,
microscope,
chemist,
biology,
analysis,
men at work,
working,
tube,
test,
partner,
serious,
condensed,
concentration,
relaxed,
touchpad,
tablet,
laptop,
computer,
cyberspace,
pipette,
measure,
measuring,
liquid,
clinic,
center,
hospital,
room,
indoor,
indoor,
laboratory,
laboratory,
chemistry
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