| Clue | Source | Date |
|---|---|---|
| Contractor's document | USA Today | 19 Oct 2019 |
| Contractor's document | ||
| Request for a product or service | USA Today | 19 Jul 2017 |
| Request for a product or service | ||
| A job ticket often accompanies one | ||
| A job ticket often accompanies one | ||
| Contractor's document | ||
| Contractor's document |