Sentence Examples


  • Derrick cranes are made of all powers, from the timber I-ton hand derrick to the steel 150-ton derrick used in shipbuilding yards.
  • Derrick cranes are made of all powers, from the timber I-ton hand derrick to the steel 150-ton derrick used in shipbuilding yards.
  • The chief portion of this rig is the derrick, Oil which consists of four strong uprights or legs held in Derrick position by ties and braces, and resting on strong wooden sills, which are preferred, as a foundation, to masonry.
  • Bradford ("Orion") got to the top of a derrick with a grapnel, leapt on to the mole, secured it and fell back shot into the water.
  • For drilling the deeper wells, the derrick, on account of the length of the " string " of drilling tools, is usually at least 7 o ft.
 

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