About: http://webisa.webdatacommons.org/273168263

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	This effluent gas is essentially free of free oxygen and contains constituents such as oxides of carbon, water vapor, nitrogen, and sulfurous compounds.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com