Descriptors | Registration plates (vehicles), Number plates, Vehicle components, Road vehicle components, Retroreflective materials, Reflective materials, Marking, Colour, Chromaticity, Reflection factor, Dimensions, Layout, Letters (symbols), Digits, Graphic characters, Artificial weathering tests, Environmental testing, Testing conditions, Performance, Impact testing, Bend testing, Salt-spray tests, Vibration testing, Solvent-resistance tests, Water-resistance tests, Thermal-cycling tests, Specimen preparation, Test equipment, Contaminants |