About: http://webisa.webdatacommons.org/30692932

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	For example, a metal or a ceramic, such as zirconia, is preferably used for the layers while a metal, such a stainless steel, aluminum, brass or copper, is preferably used for the intermediary plates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com