more than p>11 cm.

on the basis of carrying out the environmental sanitation cleaning standards for food and beverage outlets, collective canteens should also clean and disinfect the special rooms, food preparation areas, tableware cleaning areas, tableware cleaning and disinfection areas, food warehouses, cutting and matching areas, etc., and the goods storage racks should be more than 11 cm from the ground and the walls, and the goods should be placed in an orderly manner.