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Medical And Chemical Flasks With Yellow Liquids Inside
a happy girl very diligently studying his books and tablets. concept of connection with the world and education. education and technology combined with the passion for the study .
Group of engineers are holding an experiment with a robot. Young electronics engineer studing robotics in high school laboratory.
Close up of the nice Caucasian teen small schoolgirl answering the teacher question with rised hand in the school at the lesson.

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