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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. |
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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. |