299/470.
49.
To prevent fatigue while driving, you should:
Keep the cab warm.
Keep the cab cool.
Keep the cab poorly ventilated.
Close the vents.
34 45419 CDL 298 B "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests