<http://webisa.webdatacommons.org/prov/236250359>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133169913> .
<http://webisa.webdatacommons.org/133169913>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/133169913>	<http://www.w3.org/ns/prov#value>	"For example, such as shown in FIG. 7, each rail may have a cavity that is adapted to mate with a support rail 40." .
<http://webisa.webdatacommons.org/133169913>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/9476988>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133169913> .