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from | Encarta |  |
Asphalt Paver |
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| This asphalt paver spreads asphalt evenly over roadbed surfaces. A roller then follows the paver to flatten the asphalt into smooth pavement. Used on more than 90 percent of all paved roads in the United States, asphalt is a black, cementlike material usually derived from crude petroleum. | ||||||
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| Jeffrey Muir Hamilton/Liaison Agency | ||||||
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| Appears in these articles: | ||||||
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| Asphalt; Road | ||||||
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