Assertion: motor oil's additive | /r/HasProperty | available
Facets:
value: in the 1980s
type: TEMPORAL
value: to increase motor oil's ability
type: PURPOSE
value: in 1990s
type: TEMPORAL
value: to consumers
type: TRANSITIVE-OBJECT
Source sentences:
text: In the 1980s and 1990s, additives with suspended PTFE particles were available, e.g., "Slick50," to consumers to increase motor oil's ability to coat and protect metal surfaces.