History of Asphalt

	Revision 2 . . July 17, 2001 9:29 pm by (logged).177.68.xxx
	Revision 1 . . March 16, 2001 5:56 am by Cdani

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Changed: 1c1

Asphalt is a material used for road coverings. cdani

Asphalt (also called bitumen?) is a material that occurs naturally in most crude petroleums. It is commonly used to build the surface of roads.