About: http://webisa.webdatacommons.org/189016426

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	Now it is a simple matter to store the number of cycles that the valve has performed, and compare that number with a maximum value to indicate when the valve should be changed.
http://www.w3.org/ns/prov#wasQuotedFrom	designnews.com