About: http://webisa.webdatacommons.org/5514814

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, materials such as sapphire or certain specialized ceramics do not react readily with fluorine and may be used to form a plasma containment tube.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com