December 13, 2022 21:15 Updated Follow Yes, one or more. To download posters click: Required Employer Poster Related articles Can I refuse to do work that I think is unsafe without being fired? Will I have to pay extra if I don’t renew my plates on time? Does my employer have to give me a break during my work shift? Can my employer make me work when it's too hot/cold in my workplace? Do amputations or power press accidents have to be reported to IOSHA?