Car body beauty: Describes in detail the working requirements, operating procedures, acceptance standards, precautions and construction processes of waxing, paint treatment, sealing glaze, and organic coating. Indoor and outdoor dry cleaning and disinfection: The work requirements, operating procedures and operational requirements for indoor dry cleaning and disinfection are explained in detail. Automotive protection: Describes in detail the working requirements, operating procedures and precautions for chassis armor and anti-riot membranes.