Clean room. The warehouse is completely separated from the workshop. You need to change clothes before entering the warehouse, and the clean room has matching disinfection facilities, as well as shoe covers and clothes, so the place where shoes are changed in the warehouse is called clean room. The warehouse consists of warehouses for storing articles and transportation facilities (such as cranes, elevators, slides, etc.). ), transportation pipes and equipment in and out of the warehouse, fire control facilities, management rooms, etc. It is a general term for buildings and places where things are stored.