| Clue | Source | Date |
|---|---|---|
| They send out Mister Messy to collect note | ||
| Broadcast antennas, e.g | New York Times | 23 Sep 2018 |
| Broadcast antennas, e.g. | ||
| Things sending out stuff | Universal | 01 Feb 2017 |
| Remote control parts | ||
| Transistor electrodes | ||
| Remote-control components | ||
| Transistor parts |