About: http://webisa.webdatacommons.org/231124601

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	e.g. KEL-F, and should be impervious to water; other materials including metal, ceramics, and glass can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com