| Clue | Source | Date |
|---|---|---|
| Rod used in key parts of nuclear reactors becomes rusty (8) | ||
| Rusts away | Newsday | 31 Dec 2018 |
| Becomes rusted | The Washington Post | 02 Oct 2018 |
| Becomes rusted | LA Times Daily | 02 Oct 2018 |
| Becomes rusted | ||
| Eats up | ||
| Eats | ||
| Eats at | ||
| Deteriorates | ||
| Eats | ||
| Eats away. | ||
| Rusts. |