About: http://webisa.webdatacommons.org/309553113

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The quantity of oxygen entering the furnace can be controlled; thus, the presence of oxygen, compounds of oxygen with other elements, or other impurities un-desirable in fine steels can be materially reduced.
http://www.w3.org/ns/prov#wasQuotedFrom	fas.org