About: http://webisa.webdatacommons.org/343774142

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	Technologies such as reverse osmosis, carbon and other filtration methods were uncommon.
http://www.w3.org/ns/prov#wasQuotedFrom	wcponline.com