Assertion: silicon carbide's silicon | /r/ObjectUse | used in metallurgy
Facets:
value: as a reducing agent
type: PURPOSE
Source sentences:
text: Silicon of lesser purity is used in metallurgy as a reducing agent and as an alloying element in steel, aluminum, brass, and bronze.
text: Silicon of lower purity is used in metallurgy as a reducing agent and as an alloying element in steel, brass, alumiinum, and bronze.