First scraping: Dump the residual food left on the tableware and utensils into the trash can and scrape it clean;

Second washing: It is to clean the scraped tableware and utensils with detergent water or 2% hot alkali water.

Three flushes: washing the washed tableware with running water to remove the detergent or lye left on the tableware.

the dishwasher shall be cleaned according to the instructions for use of the equipment. If there are many food residues and dirt on the surface of tableware, most of them should be scraped off by hand before entering the dishwasher for cleaning, and then it will be fine.