Why are the fire engines red? This is also a problem that many people cannot understand, so we will explain in detail why fire engines are basically red paint. Although the sunlight that we normally see is white, the sunlight is actually composed of orange, red, yellow, cyan, blue, purple, and green. Because the sun's wave and rotation angles are not the same, there is a difference in the angle of deflection. When the sun's light shines on different objects, because the objects are not the same, so the wavelength is not the same light, the degree of absorption is not the same, and the ability to reflect out is different This is the origin of the seven colors of the sun. Among the lights that can be seen, the length of the red light is also the longest, and the red light is also much more penetrating than others, and even at a very distant location, the red thing can be seen. For example, in heavy rain and fog, when the lights are turned on and the color of the taillights is red, then the rear driver has a certain visual impact, which can also serve as a warning. So, even in bad weather and poor visibility, there is no fear that fire engines will not be seen. And under the influence of environmental factors, the red of the fire truck itself can also give a hint to everyone, and it can avoid the occurrence of traffic accidents. There are many types and uses of fire engines. No matter what kind of uses, fire engines can not only bring a lot of benefits to the masses of people, but also bring a lot of sense of security for everyone. Therefore, when you see the whistle of a fire truck driving on the road, you must automatically get out of the driveway. The passionate people will be sentimental because the firefighters will be able to obtain more rescue time for the disaster site. . Therefore, most of the country's fire engines are basically based on red, because red is the most eye-catching color, penetrating power is also relatively large, can be observed in far away places. A long time ago, according to the statistics of the US Department of Transportation, red fire trucks appeared thirty-two times when they had to leave the vehicle for 100,000 times. If the color of the fire truck is changed to a more vivid red color, the number of troubles will be reduced to a dozen times when the vehicle is 100,000 times. Because the light color will make the outline of the vehicle appear bigger, it is also good for traffic, but the Fire Department is extremely opposed to this approach, although the yellow system also has a great role, but this kind of color will make people's emotions change. The stability of the comparison will also reduce the rescue efficiency of firefighters and rescue workers, and using red color will make people more motivated.
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October 06, 2019