The cleanup crew would always find a hub or two during highway clean up, they always came off of a what?\nOptions:\n- propeller\n- datahub\n- wash\n- car wheel\n- electric fan
Let’s work this out in a step by step way to be sure we have the right answer.
car wheel
Loose hubs from Cars running on highway come off the car wheel running at high speeds.

The dropped hubs are found by the clean-up crew while cleaning.

.

The final answer: car wheel