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What does it do?  | Mistake-proofing devices prevent defects by preventing errors or by predicting when errors could occur |
Why Use? 
| Mistake proofing is an important tool because it allows you to take a proactive approach to eliminating errors at their source before they become defects |
When Use? 
| You should use mistake proofing in the Measure phase when you are developing your data collection plan, in the Improve phase when you are developing your proposed solution, and in the Control phase when developing the control plan.Mistake proofing is appropriate when there are :1. Process steps where human intervention is required2. Repetitive tasks where physical manipulation of objects is required3. Steps where errors are known to occur4. Opportunities for predictable errors to occur |
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