About: http://webisa.webdatacommons.org/322240317

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	Even more significant, the treatment of the powdered carbon with the silver can change its properties so that it is no longer efficiently suitable for filtration, particularly in the case of the precoat types of filter assemblies.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com