If you have a breeding reactor that has a mantle and you have a graphite core that you might want to replace then being able to easily remove material from the

If you have a breeding reactor that has a mantle and you have a graphite core that you might want to replace then being able to easily remove material from the core might be a good thing. People currently doing commercial have moved away from this and mostly just do fast reactors and mostly don't want to do breeding or do core replacements.