| Answer | Crossword Clue |
|---|---|
| NICKELSTEEL | A strong alloy |
| duraluminium | a strong, light, aluminium alloy containing copper |
| duraluminiums | DURALUMINIUM, a strong, light, aluminium alloy containing copper |
| duralumin | (tradename) a strong light aluminum alloy containing copper also DURAL |
| duralumins | DURALUMIN, (tradename) a strong light aluminum alloy containing copper also DURAL |
| steels | A hard, strong, gray or bluish-gray alloy of iron with carbon and usually other elements, used extensively as a structural and fabricating material |
