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Writing a chemical formula with a chalk on a blackboard. Great video for learning projects, school, university or your education

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By ARTEM PETRYSHCHEV

  • Stock footage ID: 24531608
Video clip length: 00:08FPS: 50Aspect ratio: 16:9Standard license. Learn more
HD$791920 × 1080MOV199.5 MB
SD$65852 × 480MOV8 MB

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