Model the following scenario using use case diagram: When a mechanic performs winter maintenance of a vehicle then must do visual inspection of brakes, change the engine oil and rotate the tires. When a mechanic performs a service of a vehicle if he finds breaks are not in good condition then change the breaks. Similarly, when mechanic is performing tire rotation then if the tires are not in good condition then provide feedback to the owner to install new tires.

Grading criteria.

Identification of use cases and named properly (1 point)

-Identification of relationships between use cases (generalization/include/extend relations) (1 point)

-Identification of actors, relationship between actors/actors and actors/use cases (1 point)