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Phoenix Test 1 Questions And Answers 100% Accurate!
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Phoenix Test 1 Questions And Answers 10 Matting - ANSWER-Supports the sub structure of the rig. Substructure - ANSWER-Supports the weight of the derrick and provides a working area for the rig crew known as the rig floor. The purpose of the substructure is to? - ANSWER-Support the weight of ...
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