<http://webisa.webdatacommons.org/322900269>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/250152621>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/322900269> .
<http://webisa.webdatacommons.org/322900269>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/322900269>	<http://www.w3.org/ns/prov#value>	"Thus, as more particularly shown in FIG. 2, shank 34 is formed with an annular groove 56, the base diameter of which is preferably about the same size as the diameter of opening 42." .