If you need a zipper on your bag repaired you can most likely go to a tailor and the should be able to fix it for you.
You can't repair an airbag you have to replace it.
The person who repairs your car is called a mechanic.machinate
a tinker
a locksmithA locksmith repairs locks.
mechanic
Mechanic
A person who repairs pipes would be a plumber. I have never heard of any person who specifically repairs tape.
cobbler
locksmith
A locksmith
A person who makes and repairs guns
A plumber.