PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
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
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