2012年2月14日星期二

Hurdling is under the help of led streetlight manufacturers

Now, everybody know Hurdling because of Liu Xiang, but also, few people know who are supporting these Hurdling players. As far as I know, led streetlight manufacturers are some of them. As more and more led streetlight manufacturersare become stronger and strong in LED Lighting products industry, led streetlight manufacturers would help more sports players.
Hurdle movement originated in Britain. 17-18 century, parts of some of Britain’s livestock industry is quite developed, herders often required across the corral to catch up with the escape of livestock. Festival, some of your favorite lively young herders are often held to skip the sheepfold of the game, they moved the fence on level ground, set a number of obstacles of a similar height and sheepfold, to see who can run at the top, this is the hurdle race the prototype. Hurdle is within a certain distance, across the height and number of hurdles, strong technical Sprint. The international competition for men and 110-meter-high column, column 106 cm high, the number of columns 10; Women’s 100 m low hurdles, column 84 cm high, the number of columns 10.
The end of the 18th century, hurdles activities officially became a sport. People 110 meters hurdles race called the obstacle run, belonging to men’s sports, the set of obstacles is a general fence, the subsequent emergence of the the Mulan frame buried in the ground, then later changed to the use of stents as sawn timber.
But across this obstacle, not only prone to injuries, but also hinder the improvement of the Hurdles Hurdle at an early stage has been to allow athletes to feel hidden.
To this end, the early 19th century, there have been removable “⊥”-shaped hurdle, and promote the development of hurdle technology. 1935 race, “L” shaped hurdle, as long as the fence by the collision force of 4 kg, it will tip over forward. “L” shaped structure is more reasonable and safe, still in use.
Over obstacles is an essential life skill for the formation of the human struggle of long-term production, and with nature. As athletics hurdle run, from basic skills across the obstacle, the development of evolved.
Hurdle first appeared in Britain in the 19th century was called the steeplechase in the men’s, the use of a general fence to do the obstacles. The subsequent emergence of the the Mulan frame buried in the ground, and later changed to a bracket like sawing wood. Across such obstacles, not only dangerous, but also prone to injuries, but also hinder the improvement of the Hurdle Race.

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