Taiichi Ohno named seven kinds of waste for the factory. They are taught everywhere and almost never applied to a kitchen, which is where most people do their most repetitive work. They translate.
Kaizen is usually explained with factories, which is unhelpful because almost nobody works on an assembly line. But everyone has a sink. One question, asked every time you finish there, for seven days.
A clear-eyed guide to kaizen: how Japan’s continuous-improvement practice was actually built (with help from an American statistician), what it really asks of you, and how to start a quiet personal version of it.
