adult
analyzing
beaker
biochemistry
biology
biotechnology
caucasian ethnicity
cheerful
chemical
chemist
chemistry
day
discovery
education
equipment
examining
expertise
females
healthcare and medicine
indoors
lab coat
laboratory
learning
looking
males
medical research
men
microbiology
microscope
occupation
people
professional occupation
research
science
scientific experiment
scientist
smiling
student
studying
teamwork
technician
technology
tubing
two people
women
working
young adult
young men
young women