They shovel coal into the boiler on the vessel, close the door:
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Beep, Departure of the ship, voices of people
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A motor boat swims past fast
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Paddling
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Motorboat Competitions
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Motor boat moves
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Jamming, Jet ski approaching
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Motor boat swims past slowly
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Opening, Shutting down a spacecraft engine
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Ship engine compartment
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Motor boat floats in the distance
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Jet ski starts, moves, shuts down
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Captain’s cabin, Morse code,
★★★★★