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Question
If a trailer is not at the proper height during coupling:
Answers
A.  It will not make a difference when coupling.
B.  Coupling will be more secure.
C.  It may not couple correctly.
Explanation
Before coupling together a tractor and a trailer, you should make sure the trailer is at the proper height. If the trailer is too low, the trailer nose may be damaged. If the trailer is too high, it may not be able to couple correctly.

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