Pump for pumping water out of a boat:
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Tug awaits, moves
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Wave sail
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Cruiser is moving slowly
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Engine room on a steamboat ship,
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Boat waiting, moving
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Beep, Departure of the ship, voices of people
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Morse code,, Captain’s cabin
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Jet ski moves in the distance
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Boat control lever
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On the deck of a large sailing ship
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Raising and lowering the sail
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The boat swims past
★★★★★