<http://webisa.webdatacommons.org/prov/426648391>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/309481238> .
<http://webisa.webdatacommons.org/309481238>	<http://www.w3.org/ns/prov#value>	"The nondistensible portion 90 is preferably made of a silicone, although other materials such as polyurethane are acceptable." .
<http://webisa.webdatacommons.org/309481238>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/309481238>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/426596391>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/309481238> .