The crossword solution for the term 'Ruins the Veneer' is MARS, which stands for Micro Abrasive Rupture System. This system is used to remove a thin layer of material from a surface, such as paint or varnish. It is often used in restoration projects to remove layers of paint or varnish that have been damaged or discolored over time. MARS is also used to create a smooth, even surface on a variety of materials, including wood, metal, and stone.