can be traced to the period immediately following the second world war when the economic outlook was uncertain and The main objective of TPS is to produce goods synchronously to customer requirements, thus designing out overburden (muri) and inconsistency (mura) and eliminating waste (muda) for instance caused by overproduction, unnecessary transports and waiting times (Ohno, 1988). In order to achieve these goals, the Toyota Production System makes use of five different methods that are illustrated in figure 3.
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