Safety through Onomatopoeia
This is probably going to go down in history as my least profound post ever, and I apologize in advance, but I found this signage bizarre and somewhat amusing.

It reminds me of that “Fawlty Towers” episode where Basil is staging a fire drill, and he argues with his hotel guests over which alarm is actually the fire alarm (“it’s at least a semitone higher!”).
Anyway, now back to the regularly scheduled program of non-stop profundity…