Assertion: fluorine | /r/ObjectUse | used as flux
Facets:
value: as additives in ceramics
type: MANNER
value: in the metallurgy of iron
type: LOCATION
value: widely
type: DEGREE
Source sentences:
text: These minerals are widely used as electrolytes in the preparation of aluminum, as fluxes in the metallurgy of iron, and as additives in ceramics.