1.   At times of low demand, electricity can be used to pump water from a low reservoir to a high reservoir.

2.   Taped over his heart, the outside of the device resembles the tube that bicycle riders use to pump air into flat tires.

3.   When the engine was producing more horsepower than was needed to drive the wheels, the surplus was used to pump air into a tank.

4.   Windmills are still used to pump fresh well water to guest suites.

5.   It is used to pump out enzymes for industry.

6.   Automatic systems were being used to pump water to cool two gas storage tanks located near two crude oil tanks which exploded at Orugodawatte.

7.   Three aerial ladders were used to pump water on to the flames which had begun to destroy all three floors and roof.