| 376 / | HD | INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS |
| 260 | DF | HANDLING OF FISSION REACTOR COMPONENT STRUCTURE WITHIN REACTOR SYSTEM {3} |
| 261 | DF | .~ Fuel component {2} |
| 264 | ![]() | .~.~ Charging or discharging of fuel {2} |
| 265 | DF | .~.~.~> Refueling ball-type reactors {1} |
| 267 | DF | .~.~.~> Refueling schemes, patterns, or fuel cycles (e.g., in/out systems) |