About: http://webisa.webdatacommons.org/366097437

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	A slow sand filter will purify water to a standard suitable for cooking, cleaning, showers, toilets - all purposes except for drinking.
http://www.w3.org/ns/prov#wasQuotedFrom	adciv.org