| Answer | Crossword Clue |
|---|---|
| RUSTWORTHY | Coated so as to promote oxidation? |
| multigrade | a brand of black and white photographic paper coated with a mixture of emulsions which are sensitive to the colour of the printing light used and which produce different contrast grades as a result |
| fixer | chemical substance, as sodium thiosulfate, used to promote fixation |
| put | to nominate, promote, or support, as for a position |
| fixatif | chemical substance, as sodium thiosulfate, used to promote fixation |
| minoxidil | A synthetic drug that is used as a vasodilator in the treatment of hypertension, and is also used in lotions to promote hair growth |
