PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other ceramic materials which can be used are Al2 O3, AlN, BN, MgO, Al2 O3 --ZrO2 composite, SiC, Si3 N4 and other oxide and non-oxide ceramics and their composites thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com