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The polar bear warning sign in Svalbard recently changed from displaying a black bear on white background to a white bear on black background (both signs are triangular with a red border). Some countries (like France , Norway and Spain ) that normally use a white background have adopted an orange or amber background for road work or ...
Warning signs are found in the W series of the national MUTCD. They highlight existing conditions, such as a curve, school, dead end street, or traffic signal. They can also warn of possible danger such as bumps, bicycles, low flying aircraft, or emergency vehicles.
Hazard symbol. Hazard symbols are recognizable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electromagnetic fields, electric currents; harsh, toxic or unstable chemicals ( acids, poisons, explosives ); and radioactivity. The use of hazard symbols is often regulated by law and directed by ...
Long-term nuclear waste warning messages are communication attempts intended to deter human intrusion at nuclear waste repositories in the far future, within or above the order of magnitude of 10,000 years. Nuclear semiotics is an interdisciplinary field of research, first established by the American Human Interference Task Force in 1981.
Road signs in South Korea are regulated by the Korean Road Traffic Authority ( Korean: 도로교통안전공단 ). Sign for a bicycle crossing. Signs indicating dangers are triangular with a red border, yellow background and black pictograms. Mandatory instructions are white on a blue background, prohibitions are black on a white background ...
Stop † written in black or dark blue inside red inverted triangle: Priority road: Diamond: White: Black: 0.5 m (large), 0.35 m (small) Yellow or orange square: End of priority road: Diamond: White: Black: 0.5 m (large), 0.35 m (small) Yellow or orange square with black or grey diagonal lines crossing the sign: Priority for oncoming traffic ...
Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The earliest signs were simple wooden or stone milestones . Later, signs with directional arms were introduced, for example the fingerposts in the United Kingdom and their wooden counterparts in Saxony .
ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits. It uses colours and principles set out in ISO 3864 for these symbols, and is intended to provide "safety information that relies as little as possible on the use of ...