1. To get the raw materials and pro

1. To get the raw materials and products that have a consistent size. There is a standard of quality that consumers want products that are not smooth such a fracture is blamed, which affect the acceptance of items.
2. To split a class object or the product quality by size in order to increase the value and use in accordance with purpose.
3. To learn and to innovate and redesign the mechanical sorter-size dish twist. A related theory of the mechanical sorter-size dish twist.