Assertion: vegetable oil | /r/ObjectUse | used as base oils
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Vegetable oils or synthetic liquids such as hydrogenated polyolefins, esters, silicones, fluorocarbons and many others are sometimes used as base oils.
text: As a result, vegetable oils and derivatives can be used both as base oils and as film strength additives in lubricant formulation.