What I find silly is that they would think that they are saving time to begin with by bottling the air. The train is too short to "save" any appreciable amount of time. And, if there is a lack of reservoirs, then all the less time saved pumping air!
This is not a "race". No one is pressed for time. Do they also not apply hand brakes before cutting away from the train in order to "save time"?
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