About: http://webisa.webdatacommons.org/177822241

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	Also, a one way valve between the filter system and the machine is a good idea.
http://www.w3.org/ns/prov#wasQuotedFrom	coffeegeek.com