<http://webisa.webdatacommons.org/prov/120100059> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/414162655> . <http://webisa.webdatacommons.org/414162655> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.co.uk> . <http://webisa.webdatacommons.org/prov/104443164> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/414162655> . <http://webisa.webdatacommons.org/414162655> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/414162655> <http://www.w3.org/ns/prov#value> "With regard to materials which may be used, it is desired that one or both of the outer layers of the double knit-type material be of high strength material, such as fiberglass, kevlar, aramids, or other high strength fibers or materials." .