From originally ordinary cloths distributing system. The department is write number of clothes that must be picked, sender of dirty clothes and pick up clean clothes at the cloth’s center and don’t return the remainder of the cloths from the previous day
Change to new ordinary cloths distributing system.
The cloth’s center will calculate a number of clothes that each department must be pick, get a dirty cloth and sender a clean cloth and get the remainder of the cloths from the previous day