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Long Automatic Piezoelectric Stove Lighter KA-4916
Brand: Generic / OEM
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Audited BOM: 7 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The use of a low-quality piezoelectric mechanism (ENG-001) leads to spark generation failure (RMA-001), resulting in customer dissatisfaction (REV-001).
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