About: http://webisa.webdatacommons.org/66566971

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	Existing compressors use many different forms of speed and volume control.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com