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A substantial reduction in the seamless rail joint, reducing the impact of rail wheels through joint, which saves line maintenance costs, prolong the service life of rail, abate the locomotive vehicle noise, etc., therefore, developed rapidly. In the 1930s, German and American railroads began to carry out small test lines, and by 1981, the world had laid a seamless line of about 300,000 kilometers, of which China lay about 8,000 kilometers
In 1981, car makers started assigning a unique, 17-character code to each vehicle that is built, which is often used for assorted purposes, but mostly for verifying the legitimacy of vehicles. Governments and law enforcement agencies apply it to identify stolen vehicles, and motorists demand it after they take their cars to some mechanic, plus its useful when choosing a second hand car, so that you can operate a vehicle history report. The insurance industry often uses vehicle identification numbers, too. VINs are generally engraved on aluminum plates, cast or stamped, like a bar code, or perhaps label form, plus they can be found on the car's steering column, doorjamb, driver's door, passenger side door, dashboard, as well as in a vehicle's maintenance book and title.
New Car Buying Tips--




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