Graphite anodes are used for the selective plating. These are wrapped with cotton wool and soaked in an electrolyte. The anode is connected to a rectifier and switched positive. The component to be coated represents the cathode and is negatively connected. Finally, the anode soaked in the electrolyte is used to systematically seal the partial imperfection on the component. The process of brush plating consists of pre-treatment (cleaning), activation (pickling) and metal deposition. The deposited metallic material is finally ground and leveled. Depending on the surface, various metallic electrolytes are suitable for filling the imperfections. In most cases copper electrolytes are used. However, nickel and cobalt electrolytes are also used to seal small pores. The size of the components is of secondary importance for the selective plating process and must be checked individually for feasibility.