About: http://webisa.webdatacommons.org/29129127

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	flush the interior of the loop before operation, and when solvents or other gases needed to be removed
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com