Mosef in Houston says this is just one of the workplace safety team’s many delightfully fear-based messages that decorate his office.
Meanwhile, our submitter in Athens, Georgia says that copies of this one particular sign appeared one day out of nowhere, taped to practically every available surface. (I’m guessing the thinking behind it was something like, “Well, if a picture’s worth a thousand words, a thousand pictures are…oooh, a piggy bank!”)
related: He died for your clip art.
extra credit: Instructional Instructions