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Title: The highest point at at oil drilling operation is the top of the 23-metre-high oil drilling rig. The ... Post by: stoecki on Nov 30, 2017 The highest point at at oil drilling operation is the top of the 23-metre-high oil drilling rig. The lowest point the drill head has reached so far is -68 metres. How far above the drill head is the top of the oil drilling rig?
A) -91 m B) -68 m C) 45 m D) 91 m Title: Re: The highest point at at oil drilling operation is the top of the 23-metre-high oil drilling rig. ... Post by: vfloyd on Nov 30, 2017 D
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