workflow: dress neatly and enter the dishwashing room. Check whether the shelves are ready and stacked, whether the trash can is placed in the specified position, whether the workplace is clean and whether the machinery and equipment are normal. Check whether the sink, nozzle, slag screen and hose are clean and normal. Turn on the steam switch, turn on the main tap water switch and faucet, put water into the sink, and turn off the faucet when the water is full. Follow the procedures of "one scraping, two washing, three passing, four disinfection and five cleaning" to ensure the washing and cleaning of tableware. Tableware and cookware after cleaning and disinfection are stored in a timely and classified manner for easy access. After washing the dishes, turn off the main switch, steam switch and faucet. Open the door, let go of the drain, clean the slag screen and clean the inside and outside of the dishwasher. Clean the sideboard, floor, sewer and wall.