Cody-
These are great! I can't wait to see an entire series of these, plastered all over the robot and the shop!
The style reminds me of one of my very favorite warning signs, which hangs conspicuously outside of the main optics lab at the science and engineering technology center of the European Space Agency:
This is definitely one that you tend to remember! Yours are right up there in terms of memorability, clarity, and impact of the message. Good job!
-dave