| (subclass RollOnRollOffCargoShip CargoShip) | Transportation.kif 2340-2340 | Roll on roll off cargo ship is a subclass of cargo ship |
| (subclass ContainerRoRoCargoShip RollOnRollOffCargoShip) | Transportation.kif 2344-2344 | ContainerRoRoCargoShip is a subclass of roll on roll off cargo ship |
| (subclass VehicleCarrierShip RollOnRollOffCargoShip) | Transportation.kif 2346-2346 | Vehicle carrier ship is a subclass of roll on roll off cargo ship |
| (subclass PassengerLandingCraft RollOnRollOffCargoShip) | Transportation.kif 2351-2351 | Passenger- landing craft is a subclass of roll on roll off cargo ship |
| (subclass RailcarCarrierShip RollOnRollOffCargoShip) | Transportation.kif 2354-2354 | Railcar carrier ship is a subclass of roll on roll off cargo ship |
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