Radiation Hazard Symbol - Universal Warning Sign for Ionizing Radiation #3769784 (License: Personal Use)

The image shows the standard ISO 361 radiation hazard symbol: a yellow equilateral triangle with a thick black border, containing a black trefoil (three-bladed propeller) centered on a black circle. This design, adopted internationally since the 1940s and standardized by the IAEA, is used to mark radioactive materials, equipment, and areas where ionizing radiation poses a risk to health.

This image is commonly used on safety signage, educational materials, emergency response guides, and regulatory documentation related to nuclear energy, radiology, and hazardous material handling. It serves users seeking hazard awareness, compliance information, or visual identification for safety protocols.