About: http://webisa.webdatacommons.org/453935213

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	An alumina, zirconia, silicon dioxide or other insulating material can be used favorably as the spacer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com