Assertion: lignite's use | /r/UsedFor | thermal insulation
Facets:
value: as an abrasive
type: MANNER
value: for other purposes
type: PURPOSE
value: as a lightweight aggregate
type: MANNER
value: as an insecticide carrier
type: PURPOSE
Source sentences:
text: It is used chiefly as a filter and filler; other uses are for thermal insulation, as an abrasive, as an insecticide carrier, as a lightweight aggregate, and for other purposes.