About: http://webisa.webdatacommons.org/224911158

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 ultraviolet radiation provided by the mercury vapour is used to kill all the bacteria, viruses and any other harmful organisms which are not trapped by the filter.
http://www.w3.org/ns/prov#wasQuotedFrom	brighthubengineering.com