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Seven Deadly Types of Waste

The 7 Types of Muda As defined by Taiicho Ohno
(Toyota executive, 1912-1990)

  1. Defects
  2. Overproduction of goods not demanded by actual customers
  3. Inventories awaiting further processing or consumption
  4. Unnecessary processing
  5. Unnecessary motion of employees
  6. Unnecessary transport and handling of goods
  7. Waiting for an upstream process to deliver

And a few more types of waste...

  1. Unsafe or unergonomic work conditions
  2. Working to the wrong metrics
  3. Missing or misinformation
  4. Underutilized human potential - skills, talents, and ideas

Types of muda: Type one vs. type two

Waste can also be categorized as:

  1. Type one muda - adds no value and can be eliminated immediately. "That's embarrassing. Let's stop doing that."
  2. Type two muda - adds no value, but is required for the way things are currently done. (e.g. inspection, paperwork, and all of the above types of deadly waste

User-defined types of waste on Standard Work template

On the Systems2win Standard Work Sheet template...
notice that the Value Add Pie Chart is comprised of: