About: http://webisa.webdatacommons.org/198620103

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	Parameters, such as volume or tone, may easily be adjusted, and many hearing aids allow for the individual user to adjust these parameters.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com