| Clue | Source | Date |
|---|---|---|
| Rail container for liquids | New York Times | 31 Jan 2021 |
| Chemicals carrier | The Washington Post | 19 Feb 2020 |
| Chemicals carrier | LA Times Daily | 19 Feb 2020 |
| Transporter of gasoline or chemicals | USA Today | 04 Sep 2017 |
| Transporter of gasoline or chemicals | ||
| Carrier of chemicals, sometimes | ||
| Gas transport | ||
| Gas transport | ||
| Granular solids transport, often | ||
| Part of a train, perhaps | ||
| Freight-train unit |