When doing an inspection on double/triple trailers, one of the extra inspection areas is the air and electrical lines to the trailers. Which of these is involved in doing that?
checking all lines are free from damage
All of these are correct.
checking that electrical cords are firmly plugged in and secured
checking that air lines are properly connected to glad hands, that there are no air leaks, and that the lines are secured with enough leeway for turns.
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