What is mura muri muda?
Muda, mura and muri are three types of wasteful actions that negatively impact workflow, productivity and ultimately, customer satisfaction. The terms are Japanese and play an important role in the Toyota Way, a management philosophy developed by Taiichi Ohno for creating automobiles on demand after World War II. What are the meanings of muri and mura? The Toyota Production System, and later on the concept of Lean, was developed around eliminating the three types of deviations that shows inefficient allocation of resources.