<http://webisa.webdatacommons.org/252757797>	<http://www.w3.org/ns/prov#value>	"the methods of sharpening common types of saw chain, tips and procedures" .
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<http://webisa.webdatacommons.org/prov/135148349>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/252757797> .
<http://webisa.webdatacommons.org/prov/215260309>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/252757797> .
<http://webisa.webdatacommons.org/252757797>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cottonwoodchronicle.com> .