About: http://webisa.webdatacommons.org/50458629

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	Other metals such as magnesium, zinc, copper, nickel and tin may also be used, though they lack the ideal characteristics, and though they tend to be more expensive than aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com