About: http://webisa.webdatacommons.org/3702710

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	Alternatively, the core pieces 318 c and 320 c may be made of a nonferromagnetic, preferably a highly conductive material such as aluminum or copper.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com