Assertion: manganese | /r/ObjectUse | used as additive
Facets:
value: to reduce corrosion
type: PURPOSE
value: to steel
type: TRANSITIVE-OBJECT
value: in gasoline
type: LOCATION
Source sentences:
text: It may also be used as an additive in gasoline to improve the octane rating of the gas.
text: Additionally, after crude oil is refined, manganese may be used as an additive to help coat and protect a car’s engine.
text: Manganese is used as an additive to steel, to reduce corrosion.