Radiation warning. Conceptual artwork of an exclamation mark (yellow) combined with the international radioactive trefoil symbol (bottom), developed i

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Radiation warning. Conceptual artwork of an exclamation mark (yellow) combined with the international radioactive trefoil symbol (bottom), developed in the 1940s. This image represents safety concerns over radiation and radioactive materials.

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Size: 3533px × 5000px
Photo credit: © STEPHEN WOOD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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