Exam (elaborations)
Nccco Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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What action does a signal person intend the operator to perform if he extends his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up? Correct Answer: Boom up When hoisting personnel, within what percentage of level must a telescopic boom crane be in order for the ...
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