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