Correct radiation warning symbol. Based on specification from [1]. The magenta-on-yellow symbol can be found at Image:radiation warning symbol-US.svg. Created by myself in Inkscape.
I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.
In case this is not legally possible: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.