When should conduct visual you a inspection your towline?

When should conduct visual you a inspection your towline?( ) A: A. Whenever its service ability is in doubt B: B. In accordance with the manufacturer’s recommendation C: C. At least once a month D: D. All of the above

The best method to secure a towline to bitts is to（）. A: take a round turn on the bitt farthest from the pull and use figure-eights B: take a round turn on the bitt closest to the pull and use figure-eights C: use figure-eights and take a round turn at the top of the bitts D: use only figure-eight