About: http://webisa.webdatacommons.org/335533612

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	A second head may be a flying head, for example a head carrying a solid immersion lens (SIL), sometimes referred to as an air incident head, which is maintained at a very close spacing from the disk surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com