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