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Science teacher teach Asian students in laboratory room, teacher drop something into orange tube, colorful test tube and microscope on table , concept for study in laboratory room.
Science teacher teach Asian students about chemicals, smoke float out from blow, colorful test tube and microscope on table in laboratory room, concept for study in laboratory room.
Group of teenage cute little students child learning research and doing a chemical experiment while making analyzing and mixing liquid in test tube at experiment laboratory class at school.Education
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