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Radiation Hazard Symbol | Universal Warning Sign for Radioactive Materials #3276650 (License: Personal Use)

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International radiation hazard symbol - yellow circle with three black blades and central dot, indicating ionizing radiation danger.

About this clipart

This image displays the internationally standardized ionizing radiation warning symbol (ISO 361), featuring a central black circle surrounded by three black blade-shaped sectors evenly spaced at 120 degrees on a yellow background, enclosed in a black circular border. The design was developed in 1946 at the University of California, Berkeley, and has since become the universal sign for radioactive materials and radiation-emitting equipment. Its high-contrast color scheme ensures visibility and immediate recognition across languages and cultures.
Commonly used on signage in nuclear power plants, medical radiology departments, research labs, transport containers for radioactive isotopes, and emergency response materials. Matches user intent for safety education, regulatory compliance, hazard identification, or academic illustration of radiation risks.
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Related Cliparts: The iconic trefoil radiation symbol warns of ionizing radiation hazards. Recognized globally, it's used on containers, labs, and nuclear facilities to ensure safety and compliance.

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