<http://webisa.webdatacommons.org/71972117>	<http://www.w3.org/ns/prov#value>	"The middle member 18 can be made of an expandable, distensible, collapsible, flexible, resilient, stretchable or elastic material, such as medical grade silicone or latex rubber or sponge, or of a non-elastic, non-stretchable, rigid material." .
<http://webisa.webdatacommons.org/prov/104579099>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/71972117> .
<http://webisa.webdatacommons.org/71972117>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/100599945>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/71972117> .
<http://webisa.webdatacommons.org/71972117>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .