Description

The image is a diagram showing the different parts of a nuclear reactor. The reactor is described as a "Nerva" reactor, and the diagram is labeled with various parts and their functions. The main components include the reactor core, the coolant, the control rods, the moderator, and the fuel. The diagram also shows the different stages of the reactor's operation, such as the critical stage, the subcritical stage, and the power generation stage. The diagram is labeled with various numbers and percentages, indicating the different stages and their corresponding power output.