If you have an accident, or your bike breaks down an Approved Repairer will contact you to arrange repairs of your vehicle
repair
The Repairer of Reputations was created in 1895.
a glazier.
Moved from discussion to answer area If this question is related to the dmv emission test, then approved means certified shops(ASE ect)or shops listed by them and dmv should have that information to give you. Not all shops and mechanics are certified even though they can do the work.
A Technician
A tinker is a repairer of pots and pans. Today, someone who will repair many things. "He likes to tinker."
For as long as the repairer wishes... there is no specified time
by calling piano repairer
Steeplejack Chimney sweep
a gun repairer
Shoe repairer
i don't think there is a technical name for a repairer of drums i know the guitar maker/repairer is a "Lutherian" "a drum technician" maybe.