| Descriptors |
Approval testing, Red, Pedestrian crossings, Tolerances (measurement), Road transport, Instructions for use, Marking, Signals, Indicator lights, Electromagnetic compatibility, Environment (working), Green, Visual signals, Electrical testing, Traffic lights, Lighting (road signs), Visibility, Control signals, Dimensions, Pedestrian roads, Optical properties of materials, Signal devices, Diameter, Yellow, Control equipment
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