In this table we see another example of the Japanese pragmatic approach to structure complex tasks:

What should be taken care of when performing a Shopfloor Kaizen. 

Just like in the 20 Keys model of mr. Kobayashi, we see a line of key-elements and 5 levels that are identified to classify the current status and the next level to proceed to. Simple and effective as a model, however not easy to perform! To go through a program like this takes years, even with a very good 'sensei' at your hand.