BS ISO 12509. Earth-moving machinery and rough-terrain trucks. Lighting, signalling and marking lights, and reflex reflector devices|Warning devices, Colorimetric characteristics, Materials handling equipment, Classification systems, Flashing lights, Stop lights, Hazard warning lights, Headlamps, Earth-moving equipment, Dimensions, Tail lights, Vehicle lights, Signal devices, Equipment safety, Road vehicle components, Reversing lights, Vehicle components, Visibility, Construction equipment, Vehicle reflectors, Direction indicators, Performance, Safety measures, Indicator lights, Warning lights, Fog lights, Velocity