Teacher of chemistry showing experiment to group of students at lesson while standing by desk and mixing chemical substances
Contributor: pressmaster
ID : 512191131
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Keywords
education, student, chemistry, classroom, lesson, school, college, university, experiment, auditorium, schoolwork, guy, man, teenage, teacher, teenage, mature, girl, woman, intercultural, caucasian, african american, biology, anatomy, class, indoor, hipster, study, cognition, learn, laboratory, high school, science, subject, instructing, explain, work, professionRelated items
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