Talleres Auto (TA) is an SME based in Barcelona. TA attends to broken-down vehicles, providing a roadside repair and recovery service.Two of the parts that TA frequently uses are starters and alternators, which were obtained from a local distributor. I turn, the local distributor ordered parts from a prime distributor.Starters and alternators were obtained from a remanufacture, who replaced the windings and tested the products using parts bought from a component supplier. A diagram of this part of the supply chain is show in Figure 1.12