| http://www.w3.org/ns/prov#value | - The oil typically comprises a substantially hydrocarbonaceous oil or grease, usually a natural or synthetic petroleum or petroleum product, such as crude oil, heating oil, bunker oil, kerosene, diesel fuel, aviation fuel, gasoline, naphtha, shale oil, coal oil, tar, lubricating oil, motor oil, solvents, waxes, and lubricating greases.
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