Vertical road signs. Portable deformable warning devices and delineators. Portable road traffic signs. Cones and cylinders|Impact testing, Marking, Stability, Safety devices, Colour, Height, Warning devices, Rubber, Synthetic rubber, Plastics, Grades (quality), Traffic control, Traffic cones, Dimensions, Mechanical testing, Low-temperature testing, Luminance, Fatigue testing, Road safety, Stacking, Mass, Natural rubber, Bend testing, Cylindrical shape, Designations, Design, Portable, Testing conditions, Drop tests, Test equipment