TABLE OF CONTENTS 
Perform required changes to an object completely or partially in advance.
| During blasting work in open areas, water "curtains" can suppress ground dust. Such water curtains can be made by pre-blasting water in a pit just before the main explosion occurs. |
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Place objects in advance so that they can go into action immediately from the most convenient location.
| A tree is made to absorb pigment before it is cut, providing required color to the internal layers. |
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| To remove a cast without damaging the skin, a blade that will eventually cut the cast is inserted during the cast's application. |
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Principle Number: 10
Principle Name: Prior (or Preliminary) Action
Principle Description:
Performing an action earlier in time than the occurrence of another event.
Hints on Usage:
The Prior Action Principle is typically applied in order to improve performance as well as to improve safety, support correct action, reduce pain, make things easier, gain intelligence, create an advantage, and streamline processes.
Assess systems or situations in order to uncover value-added actions those which can be taken prior to an occurrence of process.
Examples:
Prepare mentally before a sporting event.
Laying out children's clothes before they get dressed speeds the process.
Organize tools, dies, or fixtures in preparation for making changes to a production machine.
Anesthesia deadening the area of the human body before surgery.
Conduct electrical tests to make sure the power is off before repairing electrical or electronic circuitry.
Perforate the cap on a plastic pop bottle to make...
