PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • of fluid washes cuttings and other debris away from the boring tool 181 or reamer, thereby permitting the boring tool 181 or reamer to operate unimpeded by such debris. The rate at which fluid is pumped into the borehole by the mud pump 200 is typically
http://www.w3.org/ns/prov#wasQuotedFrom
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