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• Asphalt - Wikipedia, the free encyclopedia

  Asphalt (ˈæs.fɒlt (help · info)) is a sticky, black and highly viscous liquid or semi-solid that is present in most crude petroleums and in some natural deposits sometimes ...

• Asphalt Institute - We're Driven

  International trade association of petroleum asphalt producers, manufacturers and affiliated businesses. Includes technical questions, publications, seminars, international ...

• Asphalt concrete - Wikipedia, the free encyclopedia

  Asphalt concrete, normally known simply as asphalt, is a composite material commonly used for construction of pavement, highways and parking lots.