About: http://webisa.webdatacommons.org/455029456

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	Other problems are encountered, such as backlash occurring due to time delay between pressure change to close the valve and the time the valve actually closes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com