| Clue | Source | Date |
|---|---|---|
| Improvement, enhancement | ||
| Specialist doctors entertaining well-heeled chaps for advancement (10) | ||
| Henry's content with German I encountered admitting indefinite number for advancement | The Telegraph Toughie | 23 Oct 2019 |
| Rising affluence meant ‘China era' not as planned | ||
| Improve the life of workers arriving on time putting things in the ground | Irish Times Crosaire | 18 Aug 2017 |
| Way of making one flush? | The Telegraph Toughie | 09 Feb 2017 |
| What an honors class offers | The Washington Post | 19 Jun 2016 |
| Fertilizer's purpose | ||
| Fertilizer's purpose | ||
| Fertilizer's purpose | ||
| Fertilization goal | ||
| Fertilization goal | ||
| Education's goal. |