About: http://webisa.webdatacommons.org/29006619

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	Periodically, as the tank fills up, the oil and other materials must be cleaned out and collected and the water must be replaced as part of the normal maintenance of the system.
http://www.w3.org/ns/prov#wasQuotedFrom	hulcher.com