Practice question
Why must the school bus rub rails be inspected and kept properly fastened?
- Rub rails carry coolant
- Rub rails only hold advertising decals
- Rub rails are purely decorative trim
- Rub rails add side-impact and abrasion protection and reinforce the body; loose/damaged rails reduce that protection
Answer: D — Rub rails add side-impact and abrasion protection and reinforce the body; loose/damaged rails reduce that protection
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