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<http://webisa.webdatacommons.org/prov/290350552>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/150333613> .
<http://webisa.webdatacommons.org/150333613>	<http://www.w3.org/ns/prov#value>	"Harbor pilots may pilot many ships in a single day.Ship engineers operate, maintain, and repair propulsion engines, boilers, generators, pumps, and other machinery." .
<http://webisa.webdatacommons.org/150333613>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<careers.org> .