37. What is a tool used to drive bolts and screws with hexagonal sockets in their heads?
(A) Lineman's pliers
(B) Bar tap wrench
(C) Hex key
(D) Reamer

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統計： A(0), B(3), C(2), D(0), E(0) #3925908

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#7405009
Answer: (C) Hex key...
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