About: http://webisa.webdatacommons.org/297011237

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 purification mechanism may be any suitable and conventional device, including, but not limited to , such devices as a carbon or other filter, an ion exchanger, a reverse osmosis filter, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com