Individual(oilspills:Asphalt annotation(rdfs:comment "[GPA]: A brown to black residue formed from weathered petroleum products, consisting chiefly of a mixture of hydrocarbons, varies in texture from hard and brittle to plastic"^^<http://www.w3.org/2001/XMLSchema#string>)
annotation(rdfs:comment "[DSPR]: A dark-brown to black cement-like material obtained by petroleum processing, containing bitumens as the predominant constituents. Includes crude asphalt as well as the following finished products: cements, the asphalt content of emulsions (exclusive of water), and petroleum distillates blended with asphalt to make cutback asphalts."^^<http://www.w3.org/2001/XMLSchema#string>)
type(oilspills:RefinedPetroleumProduct))