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Month: March 2018

Spear’s “Rules-in-Use” – Rule 3: Simplifying System Flow

Spear’s “Rules-in-Use” – Rule 3: Simplifying System Flow

In my previous two posts, I covered Rule-in-Use 1 and Rule-in-Use 2 as outlined in Steven Spear’s 1999 Ph.D. dissertation on the Toyota Production System. Rule 1: guides the design and performance of all individual activities. Rule 1 states: design and perform every activity so that it is structured and self-diagnostic. Rule 2: guides the design and operation of connections between activities. Rule 2 states: design and operate the connection between every person who or every machine that supplies a…

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