to ensure that he establishes the painting works according to the products, the surfaces to be painted to clean the surfaces of various irregularities or deposits to remove the old paint and prepare the surface for painting to sand the grouted surfaces to estimate the amount of materials needed for painting to ensure that he prepares the painting materials to ensure that they carry out the painting and finishing works (touch-ups) to ensure that specific treatments are applied for faster baking (drying) of painting materials or improving the quality of the final layer to choose the colors according to the drawing or painting plan to prepare varnishes, mastics and paints to ensure that mastics are applied to ensure the tightness and rigidity of the joints and for the additional impact protection of some painted surfaces to ensure that they handle and condition the dyed products to ensure that it offers solutions from a technical, aesthetic, qualitative and economic point of view, in addition to the actual painting operations to perform the decorative ornamentation on different parts by spraying with the gun using templates to ensure that he has the ability to identify the surfaces, the areas that need to be finished (retouched), to choose the efficient method and to act quickly to eliminate the defects to apply suitable special treatments to ensure that they act with precision, skill and correctness when preparing materials and applying them to different surfaces or areas have a developed chromatic and aesthetic sense and follow the recipe to provide proof of efficiency in terms of the efficient use of the time required to carry out the various stages of painting execution to have an appropriate behavior towards customers to know the methods of using and maintaining the installations and equipment provided: (painting guns, specific painting installations, sanding devices, brushes, scrapers, sanding machines, etc.) and their operating parameters to know the methods of identifying the surfaces and areas to be painted to identify the physical and chemical characteristics (appearance, viscosity, adhesion, composition) of the materials used in the painting process (paints, thinners, mastics, solvents, etc.) and how to use and apply them, depending on the nature of the material