About: http://webisa.webdatacommons.org/148245599

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	Generally, the earcup assembly 52 and the power sources/electronics assembly 54 collectively incorporate printed circuit boards, electrical components, power sources such as batteries, and other devices which utilize electrical signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com