About: http://webisa.webdatacommons.org/87201411

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	Finally, desired gases, such as nitrogen, for example, are introduced or ???exchanged??? into the sealed enclosure via the valve coupled to the base cap from sources such as liquid or pressurized gas tanks, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es