It is used in a water pumping station.
This Site Might Help You. RE: What is a submersible pump and how does it work? It is used in a water pumping station.
It a waterproof pump that go underwater without shorting out. It uses an impeller to move the water. Some impellers look like a star and some look like the Impeller on a car water pump. There different designs depending on the amount of water the pump will pump.