الفهرس 
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Abstract
1.3 Aims of the present work
1- Minimizing the repair time consumed inside an automotive service station to increase the operating performance.
2- Increasing the total income of the service station. 3- Increasing the customer satisfaction.
4- The student must have the learning and science of the term ”loading”.
5- The student should be able to put any load plan inside any automotive service station.
6- Understanding how to manage time and function in all walks of life especially in his field of work.
ABSTRACT
Customer satisfaction is one of the most important factors that determine the success of any automotive service station. Yet gaining customer satisfaction is directly related to many parameters such as the waiting time, as repair time is considered one of the parameters that have a direct effect on waiting time that reflects on customer satisfaction. Therefore.
This research will focus on minimizing the repair time in automotive service stations by scheduling the repair job orders then assigning tasks to the technicians. The proposed model, after making some modifications to the general assignment model to become suitable for solving the assigned problem of technicians’ repair job orders, is used to minimize the total repair time in Obour Automotive Service Station Branch for VolksWagen Egyptian Automotive & Trading. And, use the suggested model Fuzzy procedure, the results show that using this techniques is a powerful tool to minimize the repair time which leads to not only gaining customer satisfaction but also increasing the total income for the automotive service station.
By using the proposed mathematical fuzzy assignment model on a service station in a random day, the labor utilization is improved by 12.5 % approximately.