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<http://webisa.webdatacommons.org/114400072>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/114400072>	<http://www.w3.org/ns/prov#value>	"Fluids such as drilling mud may be introduced into the top drive system 100 through a fluid supply line 5 disposed at an upper portion of the top drive 10." .