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Stainless Steel Manual Knife Sharpener H7320
Brand: Generic / OEM
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Audited BOM: 6 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 low quality of the abrasive material (tungsten carbide) leads to its rapid wear, resulting in loss of sharpening capability and customer dissatisfaction, generating RMAs and negative reviews.
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