About: http://webisa.webdatacommons.org/342673247

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	At the present time, in EAF operations producing higher quality products where copper and other elements must be controlled, up to 40% of the scrap charge must be replaced with virgin iron units such as pig iron or hot briquetted iron.
http://www.w3.org/ns/prov#wasQuotedFrom	cmu.edu