About: http://webisa.webdatacommons.org/409882974

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 first stage allows the air to pass through the liquid filtering media, such as water, and then pass through a solid filtering media, such as cotton or cellulose.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es