The best one I ever found personally was on a can of compressed air; it was a 'not to' picture w/ the red circle w/ a line through it, the pic of was a little stick guy blowing compressed air in his ear.
Sure, so next time you get a pea stuck up your nose, its fine to blow it out w/ some compressed air.... just whatever you do, don't put that thing in your ear!!
Sigh. I gave up all hope for the human race when I purchased a broom, and there was an attached tag with instructions. Place whisk end against floor. Move back and forth in a brisk manner to remove dirt.
Then again, if you buy a box of toothpicks, there's a warning on there too.
"This is the greatest and wealthiest country on earth. We shouldn't need to classify bridges into those that are in 'A' shape or 'D' shape. … We should be able to safely travel through every bridge and tunnel without having to decipher the meaning of signs," he said.
This is the same as your hairdryer. But my 3 barrel curling iron says "do not use while sleeping".
Now I realize we women are pretty good at multi-tasking but....I don't know anyone who has tried to blow dry and curl their hair while sleeping? Guess it would be a good time saver though: