The Toyota Production System is seen by many as the origin of Lean Manufacturing – an approach to operations management that eliminates waste and as the name suggests aims to operate as lean as possible.
According to Taiicho Ohno, the creator of the system, the approach was built upon a root cause analysis technique called The Five Whys.
To use this technique you ask ‘why’ five times to help identify the root cause of a problem. Try this next time you want to determine root cause of a problem but, be warned, applying this technique correctly is harder than it seems.
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Posted by: Phillip Slater