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Running lesson in chemistry. Pretty chemistry teacher teach student in class. Bearded man answering chemistry at chalkboard in front of teacher. Education. School study
Keywords:
men
education
teaching
studying
adult
child
women
indoors
caucasian ethnicity
teacher
blackboard
desk
intelligence
school children
science
visual aid
student
formula
classroom
young adult
males
school building
professor
occupation
learning
people
two
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