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Question
Header boards:
Answers
A.  Should never be used.
B.  Protect the driver from being hit by cargo.
C.  Protect the driver's head when entering the cab of a truck.
D.  Provide extra storage.
Explanation
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
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This questions is considered quite Hard

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