Office Products > Office Electronics > Calculators > Scientific Calculators
240 Functions Scientific Calculator AK-J001
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 choice of a low-cost keyboard membrane (COMP-003) leads to its rapid degradation (ENG-001), resulting in keys that stop working (RMA-001), as reported by consumers (REV-001).
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