About: http://webisa.webdatacommons.org/82860359

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, non-metallic materials such as resins, ceramics, and others can be used for the discs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com