| Answer | Crossword Clue |
|---|---|
| ZINC | Steel coating, perhaps |
| rusted | red-orange coating that forms on iron and steel exposed to air and moisture |
| rust | red-orange coating that forms on iron and steel exposed to air and moisture |
| rusts | red-orange coating that forms on iron and steel exposed to air and moisture |
| unrusted | red-orange coating that forms on iron and steel exposed to air and moisture |
| RUST | Antique coating, perhaps |
| GLAZE | Donut coating, perhaps |
| PATINA | Antique coating, perhaps |
