Proper use of safety signs is an effective way to reduce workplace accidents and injuries. Additionally, new safety signs can help keep employees' attention on essential messages designed to improve safety. Safety signs in the workplace are so effective, they are regulated by both the Occupational Safety and Health Administration (OSHA) and the American National Standards Institute (ANSI). These organizations have established rules and regulations to ensure safety signs are easily identifiable, relevant, and posted in appropriate workspace locations. FOB Shipping Point.