Using the example below, change the diagram to satisfy the following new requirements:
- The diagram must track engine replacements over time.
- Add the chassis, which is made up of a frame, two or four doors, and other parts.
- The diagram must support engines with four, six, or eight cylinders.
- Make certain that the number of sparkplugs matches the number of pistons.
In the text area below, type Modeling aggregation.
In addition, you can include any questions or comments you have about the exercise.
When you are ready to submit the exercise, click the Submit button.