About: http://webisa.webdatacommons.org/395032450

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	This is advantageous in the case that there is debris, scales, paraffin build-up or other problems associated with the valve 62 that might preclude a complete closing of the flapper member 64.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com