| 1 | A conductor car for freight train. | |
| 2 | Conductor cars at Hsi-Hu Sugar Factory. | |
| 3 | Every conductor car has a derail indicator over the roof, Hsi-Hu Sugar Factory. | |
| 4 | Empty coal freight vehicles in Lin-Kou Power Plant with terminal indicators. | |
| 5 | We reviewed the book cover web for The Caboose Who Got Loose and took a post-test. |