Linked from
The 11 pages that link to Water pump, each with the reason it gives.
Water pressureRelated: Pumps raise water pressure to overcome elevation and system resistance.
Evaporative coolerRelated: It circulates water from the reservoir to the cooling pad.
Water towerRelated: Pumps lift water into the tower and replenish its stored supply.
Water slideRelated: Pumps deliver the water needed to wet the slide surface.
Dry dockRelated: Pumps empty many dock basins after their gates are closed.
Banpo BridgeRelated: Pumps supply the jets that create the bridge’s fountain display.
Water dispenserRelated: Some dispensers use a pump to draw water from a bottle or reservoir.