About: http://webisa.webdatacommons.org/9834949

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	Both valve types may be used with the optical sensors described in this document or any other sensor known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com