They shovel coal into the boiler on the vessel, close the door:
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Communication signal, Inside a spaceship
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Stops, The cruiser moves
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The boat, moves, jamming, starts
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Water engine, start, jamming
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Expects to jam, The motor boat starts
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The motor boat starts, jammed, moves
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Ship engine compartment
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Loss of control, Spaceship damaged
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The horn of the ship
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Jet ski approaching, jamming
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In the hold of a large floating ship
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Metal boat swinging, creaking metal
★★★★★