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Muda (無駄, on'yomi reading, ateji) is a Japanese word meaning "futility", "uselessness", or "wastefulness", [1] and is a key concept in lean process thinking such as in the Toyota Production System (TPS), denoting one of three types of deviation from optimal allocation of resources.
Muda means wastefulness, uselessness and futility, which is contradicting value-addition. Value-added work is a process that adds value to the product or service that the customer is willing to pay for. There are two types of Muda, Type 1 and Type 2.
In this article we explore what muda is, the 7 wastes of muda, the argument for an 8th waste, and how to tackle waste in your business.
In Japanese, "muda" means uselessness, futility. Together with mura and muri, muda serves to identify the non-value-adding, wasteful activities within a process. Learn what kinds of muda there are, how to identify them and what to do to minimize them for a more efficient process.
Muda. Any activity that consumes resources without creating value for the customer. Within this general category it is useful to distinguish between type one muda, consisting of activities that cannot be eliminated immediately, and type two muda, consisting of activities that can be eliminated quickly through kaizen.
Muda means wastefulness. Work that does not add value is divided into two categories: work that is necessary but not recognized by the customer as adding value -- and work that simply is not necessary.
Waste reduction (mudas in Japanese) is a central concept in the Lean philosophy which seeks to minimize them while maximizing productivity and increasing customer satisfaction. Here are the eight types of Muda classically identified:
