
Can’t read the fine print? Click through.

This is a standard OSHA sign for a confined space. You can buy a sign exactly like this from any sign manufacturer, large or small. You could probably find something similar at your local Home Depot (sure enough, I found this with a simple search). So what’s wrong with it?

Pop Quiz: Which of these is the correct radiation alert symbol?
They are not readily noticeable, but if you look close you will see subtle differences. One of these symbols conforms to international standards, the other does not. Give up? Try these: