Purpose - Many youths are out-of-school with few having the basic sustainable skills to earn a living. Some of the engaged ones have interpersonal relationship and other problems that can sustain the successes of their business. Therefore, this study is set to investigate the relationship...

Despite a lot of research about predictive maintenance for onshore and offshore windmill farms, nearly no investigation has been performed to obtain the optimal sequence in which windmills are to be served in a predefined time frame. The higher fuel costs and the increasing time pressure on...

This paper aims to model maintenance planning with a dynamic opportunistic approach for a job-shop production system. One issue in such a system is the positive or negative economic dependency. That is grouping maintenance activities may decrease or increase system costs. Furthermore, many...