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Why Asphalt
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To better understand the decibels of everyday objects, refer to the top graph.
The graph on the bottom shows how distance plays an important role in determining the threshold of noise to the human ear.
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About Asphalt
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Asphalt is one of the indispensable materials of life in America. Want proof? Think about the fact that 94 percent of the paved roads in America are surfaced with asphalt. |