Obey all posted warning signs. Visible and Ultraviolet (UV ... ensure individuals that may be exposed to viewing plasma radiation wear appropriate eyewear. Class 3B laser should and Class 4 lasers ...

When using a Class 3B or Class 4 laser, potential hazards from the direct beam exist to the eye ... of the laser system, using correct approved laser safety eyewear, posting proper warning signs, etc.

Appropriate signs and labels are posted to warn of the hazards from class II through IV lasers. RIT's Environmental Health and Safety Department shall make all efforts to ensure that laser users are ...