A car is built from various subsystems. If these subsystems are not working properly it is dangerous because it can cause a serious traffic accident.
When you're testing the build of a car, you have to check its many subsystems:
The subsystems of a car are very important components that allow the proper functioning of the car. These subsystems work synchronously making the car work properly.
However, if one of these subsystems is not working properly it could cause a malfunction that could lead to a traffic accident.
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