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Young handsome Asian math teacher writing a math formula equation on white board during lesson. Education and school concept
Young handsome Asian math teacher writing a math formula equation on white board during lesson. Education and school concept
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
Getty Images
Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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1980s Television With Green Screen In A School. Black And White Tone.
80s Television with Green Screen in a School. Black and White Tone. Ready to Replace Green Screen with Any Footage or Picture You Want. You can do it with “Keying” (Chroma Key) effect in Adobe After Effects or other video editing...
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
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Abstract Colorful Mixing Oil And Paint Blasting Background Texture
1920x1080 25 Fps. Very Nice Slow Motion Abstract Colorful Mixing Oil And Paint Blasting Background Texture Video.
Bridgeman Arts
1970s: Man operates computer, women type
1970s: Man operates computer, women type. Young man reads "DIRECTORY OF ELECTRONIC CIRCUITS" in garden by pond. High school students on bench. Classroom. Men in workshop. Woman works on circuit board.
Bridgeman Arts
1970s: View of dinosaur skeleton
1970s: View of dinosaur skeleton. Students in classroom watch man who is holding a snake. Young students and adult crowd around glass display case and look at snake.
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Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy
Ciara addressing classroom at the Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy at Manhattan Center High School in New York, New York on May 3, 2006. (Footage by WireImage Video/Getty Images)
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Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy
Ciara addressing classroom at the Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy at Manhattan Center High School in New York, New York on May 3, 2006. (Footage by WireImage Video/Getty Images)
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Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy
Ciara addressing classroom at the Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy at Manhattan Center High School in New York, New York on May 3, 2006. (Footage by WireImage Video/Getty Images)
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Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy
Ciara addressing classroom at the Candie's Foundation and Ciara Promotion of National Day to Prevent Teen Pregnancy at Manhattan Center High School in New York, New York on May 3, 2006. (Footage by WireImage Video/Getty Images)
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Chalkboard Writing - Downward Trend
Animation of chart being drawn on chalkboard with a downward trend arrow.