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A pump is a machine which moves a liquid or a gas from one place to another, often upwards. There are many different kinds of pumps. Pumps need some kind of power to make them work. Sometimes the power comes from a person. Sometimes the power comes from a motor.
Some types of pumps are:
Sources[edit | edit source]
- The initial version of this article on Vikidia is a copy of the article Pump on the Simple English Wikipedia.