The metal hatch of the ship opens, closes:
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Coal loading on a ship
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Motorboat Competitions
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The boat gets into the docks, jammed
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Ocean liner, aft propeller noise
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Jamming, moves, The boat, starts
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Jamming, Motor boat sailing
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The boat swims past fast
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Jet ski approaching, jamming
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Pump for pumping water out of a boat
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The sound of water, The boat moves slowly
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Morse code,, Captain’s cabin
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The motor boat starts, jamming, reverse
★★★★★