Assertion: crude oil | /r/HasProperty | distilled
Facets:
Source sentences:
text: Crude oil became very valuable in the 1850s, when it was discovered that it could be distilled to produce kerosene.
text: Kerosene was also produced during the same period from oil shale and bitumen by heating the rock to extract the oil, which was then distilled.
text: This classification is based on the way crude oil is distilled and separated into fractions.
text: Crude oil became very valuable in the 1850s, when it was discovered that it could be distilled to produce kerosene.
text: This classification is based on the way crude oil is distilled and separated into fractions.