About: http://webisa.webdatacommons.org/235739364

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	Untreated water is forced through this membrane, which prevents even the smallest forms of bacteria and chemical pollutants from passing.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com