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Asphalt A brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing. Shown is a crew paving with asphault. Back to 8000 Word List 4 |
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Asphalt A brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing. Shown is a crew paving with asphault. Back to 8000 Word List 4 |