Visual inspection (testing)
Reflection factor
Vibration testing
Salt-spray tests
Vehicle components
Registration plates (vehicles)
Digits
Performance testing
Colour
Marking
Specimen preparation
Graphic characters
Photometry (light measurement)
Artificial weathering tests
Number plates
Letters (symbols)
Bend testing
Road vehicle components
Chromaticity
Thermal testing
Retroreflective materials
Reflective materials
Environmental testing
Corrosion tests
Dimensions
Design
Thermal-cycling tests
Test equipment
Layout
Luminance
Solvent-resistance tests
Impact testing