We have to grasp not only the Know-How but also 'Know Why', if we want to master the Toyota Production System.
Shigeo ShingoThe best approach is to dig out and eliminate problems where they were assumed not to exist.
Shigeo ShingoWhen you buy bananas all you want is the fruit not the skin, but you have to pay for the skin also. It is a waste. And you the customer should not have to pay for the waste.
Shigeo Shingo