| Clue | Source | Date |
|---|---|---|
| Give a scathing review of a major camera brand? | New York Times | 10 Jul 2022 |
| Principle like 'Always put recyclables in the blue bin'? | Wall Street Journal | 28 Jul 2018 |
| Principle like "Always put recyclables in the blue bin"? | ||
| Dogma to which sanitation workers adhere? | ||
| Garbage collector's principle? | ||
| Garbage collector's principle? |