2, ionizing radiation signs and warning signs of ionizing radiation.

3. Beware of signs of ionizing radiation.

4. Radiological department ionizing radiation sign.

1. The basic form of the warning sign of ionizing radiation is to put the symbol of clover in a regular triangle frame with a yellow background. The equilateral triangle frame and graphics of the warning sign of ionizing radiation are all black, and the Chinese character "Beware of ionizing radiation" is added below the warning sign of ionizing radiation.