<http://webisa.webdatacommons.org/164489609>	<http://www.w3.org/ns/prov#value>	"8 Mechanical Knowledge of machines and tools, including their designs, uses, benefits, repair, and maintenance" .
<http://webisa.webdatacommons.org/prov/250798228>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/164489609> .
<http://webisa.webdatacommons.org/164489609>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<occupationalinfo.org> .
<http://webisa.webdatacommons.org/164489609>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .