About: http://webisa.webdatacommons.org/178359323

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	The product gas may include hydrogen sulfide, carbon monoxide, carbon dioxide, molecular hydrogen, and particulate matter including carbon and tar.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com