About: http://webisa.webdatacommons.org/280416763

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	Leakage caused by the condensation of moisture is prevented in some rigid line applications by the use of an inert gas, such as nitrogen, helium, or argon.
http://www.w3.org/ns/prov#wasQuotedFrom	rfcafe.com