Shovel drawing

Putty an easy-to-spread material with which the surface is painted in order to reduce the porosity of the surface and close its pores
Colors: It gives the required color and does not dissolve in oil and is widespread in it and increases the color depth and increases luster. The color should have chromatic strength, that is, it has the ability to color and opacity, that is, the ability to hide the surface below it.
Solvents They are volatile molecules and their task is to control the viscosity and give a uniform layer on the plate, and it must have a dissolving power.