👉 A submersible is a type of underwater vehicle that uses a submersible pump to extract water from the ocean floor. These vehicles are typically equipped with submersible pumps, which use compressed air and other energy sources to draw water up through a pipe or other means. The submersible pump can be used to extract water from depths of up to 20,000 feet below the surface, making it an important tool for underwater exploration, mining, and other applications requiring large