appreciate is able to say sorry
1 . Of the more than 1000 bicycling deaths annually, three-fourths result from head injuries. Half of individuals killed are school- grow older children. One study concluded that in a very bike head protection can decrease the risk of head injury by simply 85 percent. In an car accident, a bike headgear absorbs the shock and cushions your head. From " Bike Helmets: Unused your life savers", customer reports (May 1990): 348. 2 . While the Sears Structure is arguably the best achievement in skyscraper executive so far, it can unlikely that architects and engineer possess abandoned the quest for the world's tallest building. Fit: just how large can a building proceed? Structural engineer William LeMessurier has designed a skyscraper almost one-half mile high, twice as tall while the Target Tower. And architect Robert Sobel says that existing technology may produce a 500 story building. From Ron Bachman, " Reaching for the Sky. " Dial (May 1990): 15.
1 ) According to customer information from " Bike Helmets: Unused your life savers" (1990), each year, the top injury is the main cause of three- fourths from the one thousand riding a bicycle deaths and students be the cause of 50%. Research claims that thank to work with bike helmet, the risk of head injury can be decreased by simply 85% because it can help bicylist to imbibe the impact and barrier the head once meeting with an accident. 2 . In " Reaching for the Sky", Ron Bachman(1990) shows that the finding pertaining to the world's the highest building have not given up simply by engineers and architects though the Sears Tower system is probably getting considered as the highest success in skyscraper emgineering. So. What height can building end up being built to? In fact , William LeMessurier, a structural engineer, provides designed a skyscraper approximately one-half mile substantial which is twice as tall since the Target Tower. On this time, in accordance with a great architect's declaration, Robert Sobel, a building of five-hundred storeys could be built by making use of high technology.