Final answer:
When tying items to the roof of your car, you should avoid heavy or bulky objects that could obstruct your view or affect balance, items that could create hazards to other drivers, and items that are illegal or prohibited by law.
Step-by-step explanation:
When tying items to the roof of your car, there are certain things you should avoid to ensure safety and prevent damage. First, you should not tie heavy or bulky objects that could potentially obstruct your view or affect the balance of your car. Examples include large furniture, appliances, or heavy containers.
Second, you should avoid tying objects that could create a hazard to other drivers. This includes items that are not securely tied down and could fly off the roof, such as loose clothing or cardboard boxes.
Lastly, you should not tie anything that is illegal or prohibited by law, such as hazardous materials or oversized items that require special permits.