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Second, public security, transportation, industry and commerce, taxation, forestry, animal husbandry and other departments need in provincial roads, county roads, and adjacent to the border provinces (autonomous regions) of setting up checkpoints on roads (card), must be approved by the provincial people's government. The checkpoints (CARDS) set by local and local departments are illegal, and people and vehicle drivers may refuse to accept their inspection.
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
World's longest over-water bridge, the 41.58km-long Qingdao Haiwan Bridge, opens to traffic in China's Qingdao on the last day of June. The bridge connects the city of Qingdao with Hongdao in Chengyang District as well as the suburban Huangdao District across the waters of the northern a part of Jiaozhou Bay in Shandong Province.
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