ABSTRACT
To practice is to repeat something over and over to become proficient.
Sometime in 1937–1938, my boss at Toyoda Spinning and Weaving told me to prepare standard work methods for textile work. It was a difficult project. 1
A proper work procedure cannot be written from a desk. It must be tried and revised many times in the production plant. Furthermore, it must be a procedure that anybody can understand. 2
My first move as the manager of the machining shop was to introduce standardized work. 3
