About: http://webisa.webdatacommons.org/378233208

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	In this way, a custom fit is provided to the user, while retaining the complete level of measurement that would be provided by a helmet or other system which completely encircled the head of the user.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com