Assertion: mica's use | /r/AtLocation | joint compound
Facets:
Source sentences:
text: The primary use of ground mica is in joint compound used to finish seams and blemishes in gypsum wallboard.
text: The leading use of dry-ground mica in the US is in the joint compound for filling and finishing seams and blemishes in gypsum wallboard (drywall).
text: The leading use of dry-ground mica in the US is in the joint compound for filling and finishing seams and blemishes in gypsum wallboard (drywall).