[Essential functions are primarily job duties that incumbents must be able to perform unassisted or with some reasonable accommodation made by the employer[. Painting equipment and painting practices currently in use in the profession.The most efficient and cost-effective painting and refinishing practices. Paint color mixing; quality and cost of paints and other finish materials.Surface preparation techniques.Appropriate safety precautions and procedures. Methods of preparing a variety of surfaces for painting, repainting and [finish work.Operation and care of compressors and related equipment. ]{data:image="" svg=""}]{ccp-para=""}]{ccp-para=""}