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The train is transferred from the train control vehicle to the isolation mode.
Early pneumatic tyre, use is made of coated with rubber canvas when tire body, because the canvas ordinate and horizontal lines cross each other, due to the deformation of the tire when walking, lead to rub against each other, in this way, the line is easy to be ground breaking, the tires can only run 200-300 km. In 1903, Mr. J. f. palmer invented the twill textile, which led to the development of cross - layer tires, making the tyre life a big step forward. Because the tire of the skew fork will no longer cause friction because of the tread of the tyre, the cord will not be easily worn out, so the life span will be considerably longer. In 1930, Michelin made the first tyre without a tyre. The world famous meridian tire was invented in 1946. Therefore, the development of the tire has been a long journey, in this long night, I do not know how many generations have paid hard labor and excellent wisdom
When used in business practices, technology can ensure the competitiveness of companies and other companies. But the cost of achieving, inventing or using technology, called intellectual property, is very high. Therefore, many societies, such as the United States, Europe, and Taiwan, would give the government protection from this investment, through the granting of patent, exclusive rights. This protection enables companies to invest in technical costs that can be recycled, thus encouraging innovation. But there is another point, too, that patent overprotection can hamper innovation.
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