<http://webisa.webdatacommons.org/prov/101888250>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/211086950> .
<http://webisa.webdatacommons.org/211086950>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/211086950>	<http://www.w3.org/ns/prov#value>	"Examples of such modifications are: any bearing may be substituted for ball bearing 14, runner 18 may be composed of material other than bronze as specifically described and the self-lubricating sleeve 22 may be composed of material having physical properties similar to polytetrafluoroethylene impregnated graphite." .
<http://webisa.webdatacommons.org/211086950>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .