The letters are from mechanics, from various types of motor vehicle dealers and from many other companies and organizations involved in the automotive industry, with heavy equipment, any kind of equipment that requires mechanics to maintain and repair to keep them on the road or in the air.
Ces lettre viennent de mécaniciens, de divers types de vendeurs d'automobiles et de diverses sociétés ou organisations qui font appel aux services de mécaniciens pour entretenir ou réparer de la machinerie lourde ou n'importe quel autre type de matériel.