| Clue | Source | Date |
|---|---|---|
| Work unit: Abbr | LA Times Daily | 15 Jul 2018 |
| Work unit: Abbr | The Washington Post | 15 Jul 2018 |
| Unit of energy: Abbr | New York Times | 23 Mar 2018 |
| Work unit: Abbr. | ||
| Unit of energy: Abbr. | ||
| Work meas | LA Times Daily | 25 Nov 2016 |
| Unit of work: Abbr | LA Times Daily | 17 Jul 2016 |
| Unit of work: Abbr. | ||
| Unit of work (abbr.) | The Washington Post | 25 Dec 2015 |
| Work meas. | ||
| Work unit: Abbr. | ||
| Unit slightly larger than a joule: abbr. | ||
| Work meas. | ||
| Work unit: Abbr. | ||
| Work unit abbr. | ||
| Work unit: Abbr. | ||
| Unit of work: Abbr. | ||
| Work unit in the Eng. system |