Coal loading on a ship:
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Moves, The motor boat starts
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Moves, Tug awaits
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Cruiser moving
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Moving, Boat waiting
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Jamming, start, Water engine
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Moves, shuts down, Jet ski starts
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Motor boat moves, jammed
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Tug moves
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Motor boat sailing, jamming
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Big ship sailing in the storm
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Motor boat moves against the tide
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Raising and lowering the sail
★★★★★