Facts About Asphalt |
来源: 发布日期:2006-8-15
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Facts About Asphalt Recycling asphalt roads saves American taxpayers more than $300 million each year. Approximately 330,000 people in the U.S. are employed by the asphalt industry. 94 percent of the roads in America are paved with asphalt. 80 percent of old asphalt pavement removed each year is re-used. Asphalt pavement is the most recycled product in America - more than newspaper, aluminum cans or glass. The Babylonians were the first to build roads with asphalt in 625 B.C. Rubber from old tires, roofing shingles and older asphalt roads can be used again in making asphalt pavement. You can find natural deposits of asphalt in lakes. Asphalt pavement was first introduced in America in the year 1870. |