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Lean

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The Toyota Production System (TPS) has two pillars: Just-in-Time and Jidoka.

TPS/Lean focuses on reducing the waste (unnecessary code, meetings, documentation, bugs, ...) in a system and produce a higher value for the final customer.

The followings are the principles of lean:

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There are three types of waste:

  • Wasted code Code which is either partially completed, outdated, unnecessary or defected
  • Project management Processes which aren't necessary, hand offs (there is a loss of knowledge), or extra features
  • Waste in work force
  • Task switching slows people down
  • When people wait for instructions or information