Class 4 WARNING Sign - Laser Controlled Area, Custom
Amazon.com: Laser In Use Authorized Personnel Only Laser Protective Eyewear Sign, ANSI Warning Sign, 10x7 Inches, Rust Free .040 Aluminum, Fade Resistant, Indoor/Outdoor Use, Made in USA by Sigo Signs : Industrial
Pioneer Elite Laser Safety Sign - CAO Group
Appendix F: Laser Hazard Warning, Danger and Notice Signs | Office of Environment, Health & Safety