Compressed air can be utilized for applying abrasives and atomizing colors within the context of surface treatments: Compressed air blasting and/or grit blasting is the description for the surface treatment of a material or workpiece. Sand is used as an abrasive agent against rust, dirt, color, scale, and other contamination or for surface design via matting. Care must be taken when painting with compressed air to guarantee a high level of purity class and the limiting values with regard to particles, oil aerosol and oil vapor, silicone-containing materials as well as condensate are complied with.