Assertion: lignite's use | /r/CapableOf | increase over past decade
Facets:
Source sentences:
text: Use of FGD material has increased over the past decade because FGD material is being used as a source of gypsum for wallboard and Portland cement production.
text: Use of FGD material has increased over the past decade because FGD material is being used as a source of gypsum for wallboard and Portland cement production.