Coal loading on a ship:
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Ocean liner, aft propeller noise
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Moving, Boat waiting
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Moves, Tug awaits
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Close the ramp, moves, Ferry
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Motor boat swims past slowly
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Motor boat sailing past
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Moves, The motor boat starts
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Engine room on a steamboat ship,
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Moves slowly, The boat starts
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The boat swims past
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Wood Creak, Steamboat Arrival at Dock
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Exhaust from a spacecraft maneuvering engine
★★★★★