Key Takeaways
- Prevention (QA) eliminates 80% of defects—QC catches the remaining 20%.
- Register products within 30-90 days and verify installer meets manufacturer requirements.
- Four-gate decisions with kill criteria prevent emotional continuation of failing projects.
- Market-calibrated quality maximizes ROI—neither cheapest nor most expensive wins.
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Test Your Knowledge
1.What percentage of quality defects can be eliminated by the five prevention strategies?
2.When should the warranty-period inspection be conducted?
3.What is the recommended quality contingency budget?