21/30384575 DC

Instructions for use, Abrasion, Reflective materials, Luminance, Marking, Performance, Washing, Test specimens, Dry cleaning, Folding, Specimen preparation, High-visibility materials, Design, Angles (geometry), Chromaticity, Performance testing, Accident prevention, Clothing, Protective clothing, Colour fastness, Thermal-shock tests, Testing conditions, Optical properties of materials, Photometry (light measurement), Retroreflective materials, Colour