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07-08-2012, 04:31 PM
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Person who doesn't update the user title
Join Date: Jun 2010
Location: Bottom lands of the Missoula floods
Posts: 6,402
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It's the head-tool for a fracking drill.
By rotating the apparatus, the operator changes the direction. The push/pull action of top piece is the actual drilling mechanism They use wood to avoid sparks, which could cause an gas explosion. Trust me, I stayed in a Holiday Inn last Friday night. |
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