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15. What is a converter dolly?
16. What should you check about the fifth wheel mounting during a pre-trip inspection?
17. When making a right turn with a combination vehicle, why should you be especially cautious?
18. In a triple trailer combination, which trailer is most likely to roll over in a sudden lane change?
19. What can cause a trailer skid?
20. What is the best way to correct a trailer skid?
21. Why should you inspect the glad hands before connecting them?
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