NMC - National Marker Company Warning, Eye Protection Required In This Area, 7X10, Pressure Sensitive Vinyl .0045 OSHA Signs OSHA signs are the perfect way to alert your employees and guests when a hazard is present in your facility. Keep your facility safe, buy an OSHA regulated sign today and prevent an accident tomorrow. These OSHA signs comply with OSHA 29 CFR 1910.145