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TRIZ 40 Principles

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10. Prior Action

When something is to be done at some time, Prior Action means preparing or taking some action beforehand to smooth and ease the event when it does occur. For example, laying the table for breakfast last thing in the evening will save time and stress on the following morning in the sleepy hurry to eat and get to work. It is far too easy to design a device or manufacturing process so that something is done when it is needed to be done. But that may not be the best time for it to happen so think about when you want an action/function and choose the best time!