<http://webisa.webdatacommons.org/309977458>	<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://webisa.webdatacommons.org/309977458>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/309977458>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/410193545>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/309977458> .