| Descriptors | Signs, Symbols, Graphic symbols, Warning devices, Safety measures, Fire safety, Luminescent devices, Safety devices, Fire safety in buildings, Luminance, Escape lighting, Emergency lighting, Performance, Marking, Tritium, Radiation hazards, Sign lighting (buildings), Test equipment, Testing conditions, Performance testing, Fire tests, Flammability, Mechanical testing, Impact testing, Heating tests, Vibration testing, Pressure testing |