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  2. A pump is a mechanical machine used to raise or transfer fluids using suction or pressure. The most well-known examples of pumps are the windmill and watermill used to pump water. The motor is an electro-mechanical device that transforms electrical energy into mechanical energy.
    www.linquip.com/blog/difference-between-pump-a…
    The working principle of a water pump mainly depends upon the positive displacement principle as well as kinetic energy to push the water. These pumps use AC power otherwise DC power for energizing the motor of the water pump whereas others can be energized other kinds of drivers like gasoline engines otherwise diesel.
    www.elprocus.com/water-pump-types-and-applicati…
     
  3. Water pump Electric Water Pumps - Lowe's