3.4.3. Ensure the materials used for marking shall be UV rated for outdoor labels, weather-resistant following UL 969 labelling standards and permanently affixed in an appropriate manner [(California Department of Forestry and Fire Protection - Office of the State Fire Marshal (CAL FIRE-OSFM), ...
Radiant heatis how the sun heats. Has this ever happened to you? You’re driving down the highway with the sun shining through one side of the car and not the other. The person sitting in the sun feels this radiant heat energy. But the person sitting next to you does not. That’s ...