The packing process worker found ''NG'' pieces and sorted them out but did not mark the pieces. And when the lot is finished packing, the pieces are picked and put together in the pack.
During the packaging process, the staff discovered the "NG" workpiece and separated it, but did not mark the workpiece Packaging finished product batch
The workers in the packaging process found the' ng' workpiece and classified it, but did not mark it. When the packaging was completed, they picked up the workpiece and assembled the package.