to rapid turnover of all jobs, reduces in-process inventory and decreases utilization of resource. Alsyouf [12] investigated the case study the maintenance is no longer a cost centre, but it can be a profit generating function, especially in similar types of industry where the downtime cost is high.
Mostafa [13] reported that although maintenance is one of the oldest jobs in the Egyptian industry, it has not progressed much through the years. In order to examine the state of maintenance practice, we should consider two main factors: the management side of maintenance and the technology used.