| Answer | Crossword Clue |
|---|---|
| ZINC | Coating on galvanized iron. |
| rust | comparable coating produced on a metal other than iron by corrosion |
| 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 | the reddish brittle coating formed on iron especially when chemically attacked by moist air and composed essentially of hydrated ferric oxide |
