About: http://webisa.webdatacommons.org/224049350

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 elastomeric spring members 18A and 18B can be formed of a material such as silicone, butyl rubber, or fluorosilicone; in foam, gel, solid or molded configurations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com