And at some point between then and the onset of the modern office economy, the workplace safety poster has become a lost art. For one, our sensibilities regarding geysers of hilarious gore in safety education have changed. Gone are the safety videos that depicted your average warehouse as a secret murder maze and children's pamphlets like It's Great to Be Alive, which subtly informed kids that the 1950s were just a 10-year-long deathtrap invented by the Pentagon.
Reading this pamphlet is sort of like learning that McGruff the Crime Dog takes off his trench coat
and reverts to a feral state to execute convicts.
So here are 10 of the most ominous safety posters ever to grace break rooms across the globe. It's unclear if they improved morale, but these posters certainly filled workers with the fear of a dark and wrathful god -- a dark and wrathful god named DILIGENCE.