Assertion: wrought iron | /r/HasProperty | produced
Facets:
value: from cast iron
type: OTHER
value: indirectly
type: MANNER
Source sentences:
text: Wrought iron is a soft, ductile, fibrous variety that is produced from a semifused mass of relatively pure iron globules partially surrounded by slag.
text: In Europe it was found that wrought iron could be produced indirectly from cast iron made in a blast furnace.