About: http://webisa.webdatacommons.org/198236366

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	Use of aluminum and plastics in forming a multi-concentric acoustic transmission line simplifies manufacture relative to use of alternative, and traditional, material such as wood.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com