About: http://webisa.webdatacommons.org/308510756

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	In many situations it is either desirable or necessary to remove sludge and other solids settling in or suspending in liquid in a liquid reservoir.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com