(subclass OpenTopRailcar FreightCar) | Transportation.kif 2199-2199 | OpenTopRailcar est une sous-classe de FreightCar |
(subclass Flatcar OpenTopRailcar) | Transportation.kif 2177-2177 | Flatcar est une sous-classe de OpenTopRailcar |
(subclass RotaryDumpCar OpenTopRailcar) | Transportation.kif 2218-2218 | RotaryDumpCar est une sous-classe de OpenTopRailcar |