Workman on FAB supplement a new product which was puiled from upriver supply station fill in taken product, the upriver supply station pull a new product from furthermore upriver supply station.

• 总装线上的人员从上游的供给站补充一个新产品，来填补取走的产品空缺，上游的供给站向更上一级供给站拉出新的产品，狗屎。