Assertion: blast furnace | /r/CapableOf | produce iron
Facets:
value: by exposing iron ore
type: MANNER
Source sentences:
text: Blast furnaces produce iron by exposing iron ore, iron pellets, and sinter to high temperatures and carbon monoxide, a reducing agent.
text: Blast furnaces therefore produced primarily intermediate goods, pig and bar iron, that were further refined in forges and foundries.