Assertion: silica | /r/HasProperty | primary ingredient
Facets:
value: in the production of most glass
type: OTHER
value: in standard glass products
type: LOCATION
Source sentences:
text: Silica is the primary ingredient in the production of most glass.
text: Silica sand is a major ingredient in the production of glassmaking—in fact, silica is the primary component in standard glass products ranging from windows to beer bottles.
text: Silica is the primary ingredient in the production of most glass.