Lacing is carried out in two stages. At the first stage, the surface is covered with nitrolak, and it is dried. If after that, draw on the surface with your hand, you can feel the roughness. To remove it, the wooden structure is again polished with an emery skin. After this, particles of wood fibers are again removed by a vacuum cleaner. The final effect of the finish is to cover the surface with two layers of nitrolak.
