About: http://webisa.webdatacommons.org/149151322

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	In particular, other ceramics such as alumina or zirconia may be used instead of MACOR with the same or a modified metallizing composition.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com