Assertion: sulfuric acid | /r/ObjectUse | used in large quantities
Facets:
value: in iron
type: LOCATION
value: in steel
type: LOCATION
Source sentences:
text: Sulfuric acid is used in large quantities in iron and steel making principally as pickling-acid used to remove oxidation, rust and scale from rolled sheet and billets prior to sale into the automobile and white-goods business.