<http://webisa.webdatacommons.org/156061617>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/156061617>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/156061617>	<http://www.w3.org/ns/prov#value>	"At least a portion of such ring-shaped spring can be made of a plastic material, such as polyurethane." .
<http://webisa.webdatacommons.org/prov/426648388>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/156061617> .