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
Wheldon won the complete IndyCar series championship when he was named the winner in the 2005 Indianapolis 500. He also won Indianapolis 500 in May of the year. This time, it was announced that any non-regular IndyCar drivers who won the race could possibly be offered a $5million bonus. Mr Wheldon was in line for this bonanza, pushing him they are driving faster than normal.
Porsche's English logo used the surname of Ferdinand porsche, the founder of the German porsche company. The logo adopts the shield city emblem of Stuttgart, where the company is located. The word "PORSCHE" is at the top of the logo, indicating that the trademark is owned by PORSCHE design company; The "STUTTGART" in the logo is above the horse, indicating the headquarters of the company in STUTTGART. In the middle of the trademark is a horse, which indicates that Stuttgart is rich in a kind of famous horse; The upper left and lower right of the trademark are antler patterns, indicating that Stuttgart used to be a good place to hunt. Trademark upper right and lower left the yellow stripe on behalf of mature wheat color, refers to the grain and make it plentiful and black in the trademark represents fertile land, in the trademark red symbol of the wisdom of the people and for the love of nature, thus formed a deep, exquisite and delicate beautiful pastoral landscapes, shows porsche glorious past, the future of the company and indicate the porsche, porsche's sports car to excel.
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