Are we so Victorian these days that we can't even call poop "poop"? Would people be really so offended by a word on a sign as they are picking up the poo with only a plastic bag?? It's not like they have the plague or anything!
If you run across a safety graphic, especially ones in other countries, please take a photo and send it to me. I'll post your image and give you full credit. Send the images to: SafetyGraphicFun [at] gmail [dot] com.