The most challenging issues related to manufacturing efficiency occur if the jobs to be sched-uled are structurally different. if these jobs allow flexible routings on the equipments and mul-tiple objectives are required. This framework. called Multi-objective Flexible Job Shop Scheduling Problems (MOFJSSP). https://www.alarecre.com/Looney-Tunes-Marvin-the-Martian-Big-Head-Galaxy-S23-Waterproof-Case-p116784/