ned here.Р The tracking of flows throughout the warehouse is one of the basic functions of a WMS. This can be done manually, but most facilities today use barcode scanners, and many use barcode scanners intedatabase. A typical WMS enables the functions listed below. These requirements are not inclusive, but only indicate the types of functions desired. Further details are in (Sharp, 2001).Р The WMS should enable scheduling of personnel, including regular full-time employees and temporary and part-time employees. Tracking of employee productivity is useful for training and workload balancing. Workload scheduling should be linked to forecast information, and the conversion of product volumes should be automatically translated to labor hours by function and employee productivity. out-of-stock