This volume (No. 300) includes: care of the body and interior, cleaning agents, products for paint care, reconditioning of used cars, cleaning of interior and exterior areas, vehicle washing. Bodywork tasks include damage documentation, cost estimation, determination of the sequence, welding work, rust under window seals, welding of plastic parts, bonding of plastic parts, painting work, application of underbody protection and stone chip protection, cavity sealing, dent and bump repair, smart repair, and preparation of headlight lenses. It also includes preparation for powder coating, basic dewatering, and vehicle part preparation. Electrical and lighting work covers cables and controls, exhaust systems, and brake systems. Engine compartment tasks involve cleaning with dry ice, cleaning the water reservoir, plugs and cable hoses, seals and waxes, as well as rodent protection wheels.