Sort Mistake-Proofing Moves
Classify mistake-proofing countermeasures by how strongly they control error risk.
Sort each proposed control for a left/right bracket error. Prevents the error Detects at the source Warns or reminds Asymmetric fixture nest only accepts the correct bracket orientation Presence sensor confirms bracket seated before the cycle can complete Andon light flashes when the wrong part number barcode is scanned Color arrow label added near the install point Part redesigned so left and right brackets cannot physically interchange Supervisor reminds operators about the defect during shift huddle Torque tool remains locked until the bracket sensor is satisfied Operator self-check box added to the job instruction sheet
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