Next, the train goes over a small hill; at the same time, passing through a trim brake.
At the same time, the train pass' through a trim brake. Next, the train goes over the a small hill.
Next, the train goes over the a small hill. At the same time, the train pass' through a trim brake.
Next, the train goes over the a small hill. At the same time, the train pass' through a trim brake.