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    Trade & Technology
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    Refrigeration and Air Conditioning Technology
  4. Exam
    Exam 50: Commercial Rooftop, Packaged, Variable Refrigerant Flow, and Variable Air Volume Systems
  5. Question
    By Tapping His Fist on His ____, the Crew Member
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By Tapping His Fist on His ____, the Crew Member

Question 25

Question 25

Multiple Choice

By tapping his fist on his ____, the crew member is telling the crane operator to use the main hoist.


A) head
B) wrist
C) arm
D) shoulder

Correct Answer:

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