Retrieving "Graphite" from the archives

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1. Nuclear Fuel

   Linked via "graphite"

   Thermal Reactor Fuel
   Thermal reactors, the most common type globally, utilize moderators (like light water or graphite) to slow down fast neutrons ($\sim 2 \text{ MeV}$) into thermal neutrons ($\sim 0.025 \text{ eV}$).
   | Reactor Type | Primary Fuel Isotope | Enrichment Level (%) | Cladding Material | Moderator Used |

2. Nuclear Fuel

   Linked via "Graphite"

   | Pressurized Water Reactor (PWR) | $\text{U}-235$ | $3.0 - 5.0$ | Zircaloy-4 | Light Water |
   | Boiling Water Reactor (BWR) | $\text{U}-235$ | $2.5 - 4.5$ | Zircaloy-2 | Light Water |
   | Magnox Reactor (Historical) | $\text{U}-235$ | $0.72$ (Natural) | Magnesium Alloy | Graphite |
   | CANDU Reactor | $\text{U}-235$ | $0.72…