Assertion: lignite's use | /r/HasProperty | limited
Facets:
value: in recent years
type: TEMPORAL
value: largely
type: DEGREE
value: in the form of coking coal
type: OTHER
Source sentences:
text: In recent years, the use of coal was largely limited to the production of steam for thermal powerplants or industrial boilers, or, in the form of coking coal, for the smelting of iron ores.