About: http://webisa.webdatacommons.org/414976272

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	Valve element 14 is preferably made of a resilient or elastomeric material, such as silicone or urethane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com