About: http://webisa.webdatacommons.org/144037746

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	Proven effectiveness at eliminating waterborne diseases, such as cholera and typhoid, sediment and chemicals and compounds.
http://www.w3.org/ns/prov#wasQuotedFrom	drinksafe-systems.co.uk