About: http://webisa.webdatacommons.org/47681469

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	Reverse osmosis is effective in some cases but is very limited in the types of applications to which it may be applied because of calcium build-up in the semi-permeable membranes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com