About: http://webisa.webdatacommons.org/362315142

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 second stage absorbs heavy metals such as lead and arsenic.The result is an extremely inexpensive portable water purification device???the system cost is
http://www.w3.org/ns/prov#wasQuotedFrom	vividtimes.com