This really cool looking symbol representing biohazardous materials. Where did it come from? How did it happen?
Here’s the answer, from Charles Baldwin, a retired environmental-health engineer.
This really cool looking symbol representing biohazardous materials. Where did it come from? How did it happen?
Here’s the answer, from Charles Baldwin, a retired environmental-health engineer.
Very good information. Thanks for letting me know about this to help me in my environmental studies.
that is the best fucking symbol ever