each technology, principles of working with equipment. and the equipment itself at the obninsk npp wasue. at that time , the world had not seen anything like it. it was at the first nuclear power plant that a scheme for recycling spent nuclear fuel was tested. fuel elements, the same fuel rods that small ones invented, were cut into pieces in the so-called hot chamber using mechanical manipulators. they were controlled from behind protective glass, but if anything in the cell needed to be adjusted, if repairs were needed, the staff had to enter the area. before getting into the hot chamber, the person put on such a suit, accordingly connected to the respiratory system, the meterist records the time, the person jumps into the chamber, naturally, first the entire program is written, clearly who should unscrew what nut, they jumped in in turn, they did it work, the first ones to drop in, it’s literally there for about 30 seconds, then, but it’s a minute, a minute and a half, the station became the only one. a kind of simulator for specialists from the first industrial nuclear power plants