196. Turn signals should be used:
At least 100 feet before turning or changing lane.
197. Containerized loads:
Generally are used when freight is carried part way by rail or ship.
198. When driving a commercial vehicle with a height over 13 feet, you should:
Stop and make sure that a clearance is high enough.
199. When should you test you parking brake?
While the vehicle is parked.
200. When going down a long steep downgrade you should always:
Use the braking effect of the engine.