The answer to this question is the Service Manager. The Service Manager has the same skill with technician but they also represent as a representative to customers and directly reporting to the owner of the business. They also convey to the car and parts dealers. Other specialist like MLR and Electrian Specialist are into fixing cars, doing checkups, maintenance, checking radio and air-conditioned unit and others.
Cartography, the art and science of graphically representing a geographical area, usually on a flat surface such as a map or chart. It may involve the superimposition of political, cultural, or other nongeographical divisions onto the representation of a geographical area.