| Rating | Solver | Clue |
|---|---|---|
| OXIDISING | Rusting | |
| OXIDATION | Rusting process | |
| CORROSION | The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion. | |
| TIN | ...s used chiefly to coat iron to protect it from rusting, in the form of tin foil with mercury to form the reflective surface of mirrors, and in s... |