A product concerned is putting design change into effect 3 times(※).
The, every time, we were making a mold newly and were doing an test production and production. (※4-548-865-01→4-548-865-02→4-548-865-03→4-548-865-31)
The design change, with items about, a shipment worker has made a different product get mixed in the depot because distinction management directions from sales department were insufficient.