About: http://webisa.webdatacommons.org/287353733

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 system generally employs a substrate that is coated, over at least a portion of its surface, with a sound absorbing medium, and particularly a heat activated resinous sound absorption material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com