About: http://webisa.webdatacommons.org/147850592

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 acoustic resistance can be provided by holes as described above, by materials such as open-cell foam, or by any other material that passes sound while resisting the motion of air through the material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com