Science students doing a chemical experiment in the laboratory at university.
analysis
analyzing
back to school
biology
caucasian
chemist
chemistry
class
classroom
clinic
college
doctor
education
equipment
experiment
expertise
glass
goggles
holding
knowledge
lab
laboratory
learning
lesson
liquid
man
medical
protective
research
sample
school
science
scientific
scientist
student
study
teacher
technology
teen
teenager
test
tube
university
work
young
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