About: http://webisa.webdatacommons.org/250428780

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	It is also important that the water purifier should be insoluble and do not leach any chemicals such as precious metals salts as these are hazardous to health if the limits are exceeded.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com