About: http://webisa.webdatacommons.org/406976506

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	The circulation valve 20 does not comprise a reactive material, but rather comprises steel or other material known to persons of skill.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es