English grammar: Use of "causative have" with explanations, examples and exercises.

2. We use “causative
have” when we
arrange for
someone to do
something for us,
often as a service.

3. Example:
Mary had her hair cut last week.
That is: Someone else (the
hairdresser) cut Mary’s hair.
Mary
hairdresser

4. Situation:
Tom took
the car to
the
mechanic.
The
mechanic is
repairing his
car.
Tom is having his car repaired.
So,

5. Situation:
Susan has got
a camera.
The camera
needs
repairing so
she has taken
it to the
Repair Shop.
Which is correct?
Susan has repaired the camera, or
Susan has had her camera
repaired?