About: http://webisa.webdatacommons.org/309977458

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	The head comprises a housing 17 substantially spherical and made of synthetic material, such as polyester, expoxy resin . . . , reinforced with fibres, aramide (Kevlar???) or honeycombed materials (Nomex???).
http://www.w3.org/ns/prov#wasQuotedFrom	google.es