Defect: Difficult to press to pop | baby playpen
Cause: sewing too much on edge fix fabric, in this case it should be around 6cm, but only 5.2cm, too tight to pop.
Solution: control the sewing position during production, at least random inline inspection required for the edge sewing and the foot band length sewing.
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Rework difficulty: * * * *
Rework collateral risk: * * * *
