About: http://webisa.webdatacommons.org/329512111

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	Adjustable delay element 930 can be implemented as a manual control or a button or other user-selectable means known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com