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Physics written in white chalk on a black chalkboard

Stock Photo:
Image ID: 113785705
Release Information: N/A
Copyright: CLS Design
Small
500x359 6.9"x5.0" (72dpi) 128 KB
Med
1000x718 3.3"x2.4" (300dpi) 476 KB
Large
3752x2693 12.5"x9.0" (300dpi) 3.1 MB
Super
7504x5386 25.0"x18.0" (300dpi) approx.11.4 MB
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