Why does the kitchen need three sinks?

Washing dishes must use a triple sink or above. The triple pool is one wash, two eliminations, and three flushes. The purpose is to prevent cross-infection, which can be effectively avoided by triple or above pools. Tableware must also be washed and rinsed after meals. This is also a mandatory requirement of food supervision and management for the catering industry. The first wash is used to treat surface dirt, the second wash is for surface and internal disinfection, and the third wash is for residual water treatment.