плівки

The use of aqueous polymer dispersions of butyl acrylate-methyl-acrylate-methacrylic acid and polyvinyl acetate for purifying the surface of tiles of the 18th and 19th centuries, fragments of carved stone blocks of window frames XVII, bricks of the sixteenth and nineteenth centuries, and plaster brackets of the late nineteenth century, tiled tiles from the facade of the building of the city of Lviv, the areas of the surface of the Boim's chapel in Lviv, metal plates of models of coriand and stucco decor from the main building of the National University of Lviv Polytechnic.