<http://webisa.webdatacommons.org/112243953>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/112243953>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/142076977>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/112243953> .
<http://webisa.webdatacommons.org/112243953>	<http://www.w3.org/ns/prov#value>	"Most conventional ski and bicycling helmets have a solid shell of a fixed size made from thermoplastic resins, such as polycarbonate, ABS, acrylic or vinyl." .