
Poka-yoke trays: the part only fits one way
A cavity designed around the part only lets it go in the right way. See how a poka-yoke tray keeps right-hand and left-hand parts from getting swapped.

Visual control and counting by the box: how trays speed up inventory counts
With fixed positions, a missing part shows at a glance and the count adds up by tray and by box. See how visual control speeds up part counting.
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