Muda is a Japanese term for waste. The literal translation is more broad. It means: futility; uselessness; wastefulness. When formal Lean approaches started at Toyota in the 1950s, all forms of “Muda” was defined within Taiichi Ohno’s Waste Wheel. Today, the term is used to describe the kinds of inefficiencies that exist in all business operations. The 7 Types of Waste (Muda) are shown here:

Muda: Ohno's 7 Wastes Wheel

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