<http://webisa.webdatacommons.org/446342582>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/496202287>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446342582> .
<http://webisa.webdatacommons.org/446342582>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/446342582>	<http://www.w3.org/ns/prov#value>	"Various elastomeric materials may be used for the cushion and for the seals, such as rubber, polyurethane or the like." .