hello yuri fedorovich moiseev head of the laboratory of physical and chemical research of the departmentf scientific and restoration workshops of the national art museum of belarus why and why is x- rays used in art at all? how does it help x-rays? it gives the opportunity to see the restorer. here we have a department called the directing department. and we treat it before the work went on restoration. we do it under red ultraviolet fixation and x-rays, how to show these with me, it combines everything in one place and gives the restaurateur ass pictures of such a degree, there is something down there, something is not there, because, for example, they divided, which here we restored what we done with them, changes are shown there, that is, historical ones have changed some points, for example, i discovered that there is armor. no, it is smeared, his hand just holds. and here his hand is already pointing at the armor, purely technically, that is, at first the artist wrote that here is the arm and the armor, and then he covered it up. yes, he changed his mind and changed badly, that is,