Middle age man and woman partners wearing scientist uniform using pipette and test tube at laboratory
Palabras clave
senior,
mature,
elderly,
adult,
old,
woman,
man,
female,
male,
happy,
confident,
smile,
lifestyle,
expression,
smiling,
enjoy,
fun,
science,
research,
medicine,
scientist,
experiment,
technology,
medicals,
professional,
chemistry,
microscope,
chemist,
biology,
analysis,
working,
test tube,
goggles,
partner,
men at work,
glasses,
liquid,
looking,
pipette,
clinic,
center,
hospital,
room,
indoor,
indoor,
laboratory,
laboratory
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