About: http://webisa.webdatacommons.org/337295311

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	Impedance matching material 83 can be an elastomeric material such as a silicone, and can be formed separate from acoustic isolation material 82 or can be integrally formed with acoustic isolation material 82 as shown.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com