About: http://webisa.webdatacommons.org/6282653

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	Once brought from underground, the natural gas is refined to remove impurities such as water, other gases, sand, and other compounds.
http://www.w3.org/ns/prov#wasQuotedFrom	armchairgeneral.com