Muda is a Japanese word meaning uselessness or wastefulness. It is often referred to as 'waste' in Toyota Production System or Lean. Lean recognizes eight different types of wastes - Transportation, Inventory, Motion, Waiting, Overproduction, Over-processing, Defects and Underutilized human potential
Muri is a Japanese word meaning unreasonable or beyond one's power. It is often referred to as 'overburden' in Toyota Production System or Lean
Mura is a Japanese word meaning irregularity or lack of uniformity. It is often referred to as 'unevenness' in Toyota Production System or Lean
An application-oriented question on the topic along with responses can be seen below. The best answer was provided by Sudhir Gayakwad and Raj Saxena
Applause for all the respondents - Mahender Singh Khalsa, Sudhir Gayakwad, Raj Saxena, Premkumar T, Rajeshwari, Tushar Maradwar
Also review the answer provided by Mr Venugopal R, Benchmark Six Sigma's in-house expert.