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Radioactive Warning Symbol - Universal Ionizing Radiation Hazard Sign #228685 (License: Personal Use)
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This image shows the standard radiation warning symbol (trefoil), adopted by the IAEA and ISO, consisting of a black circle with three yellow 60-degree sectors spaced at 120-degree intervals around a central yellow circle. It was developed in 1946 at the University of California, Berkeley, and is mandated on containers, equipment, and areas where radioactive materials are present. The high-contrast color scheme ensures visibility and universal comprehension across language barriers.
Used on nuclear facilities, medical imaging labs, radioactive waste containers, and safety signage; matches user intent for educational, regulatory, or safety compliance content about radiation hazards.
Related Cliparts: The iconic radioactive warning symbol-black circle with yellow trefoil-is used globally to denote ionizing radiation hazards. Learn its history and meaning.
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