Ship engine compartment:
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Yacht moves
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Spaceship, squeaks of metal, flowing water,
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Communication signal, Inside a spaceship
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Jamming, Motor boat sailing
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Motor boat will not start
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Boat starts, awaits
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Captain’s cabin, Morse code,
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A motor boat swims past fast
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Ship engine compartment
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The boat moves
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Steamer moves, propeller noise
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The boat swims past
★★★★★