• Signs and other marking systems are used in addition to other control measures to prevent work injury and illness.
• In some cases, signs and other marking systems are required.

Ideally, the workplace would be hazard-free and safe from potential injuries and accidents. However, many operations involve a certain amount of risk that cannot be completely controlled through engineering, administrative, and work practice controls or proper training. That’s where safety signs, tags, labels, and other marking systems come into play, as one additional means to prevent work accidents and subsequent injury or illness. These marking systems are not just a good idea; in many cases they’re required.