About: http://webisa.webdatacommons.org/69187111

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	of added cementing, thermowelding (which may sometimes itself suffice for such a closure), clamping and other shutting and sealing means.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca