For a foreman, heat-treat seems like a very small kingdom, not much of a prize. There is nothing intrinsically attractive about running that operatio… - Eliyahu M. Goldratt

If the first thinking process should lead us to answer the question ‘what to change?’ the second thinking process should lead us to answer the question ‘what to change to?’ I can already see the need for a third thinking process.” “Yes, so can I. ‘How to cause the change.’ ” Pointing to the fifth step I add, “with the amount of inertia that we can expect in the division, the last one is probably the most important.

I write down the three measurements which Lou and I agreed are central to knowing if the company is making money: net profit, ROI and cash flow.

Flow means that inventories in the operation are moving. When inventory is not moving, inventory accumulates. Accumulation of inventory takes up space. Therefore, an intuitive way to achieve better flow is to limit the space allowed for inventory to accumulate. To achieve better flow, Ford limited the space allotted for work-in-process between each two work centers.