Inventory can be defined as a stock on hand, at a given point of time, which may be held for the purpose of later use or sale. It has an economic value, which includes raw material, work in process inventory, semi-finished inventory and final products. With the  inventory controller users aim is to manage inventory in such a manner that

The sequencing aims to find the order in which different jobs are to be processed on different machines, so that ideal time is minimized and utilization is optimized. It is essential for a smooth flow of material and effective utilization of manpower and machine. Rules of sequencing: If nothing is mentioned the processing order for machine remain constant One job