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|[[File:GeothermalPowerStationDiagramWaveGeneratorDiagram.png|center|600px]]
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| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[coal]] [[power station]].
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: 1. Cold water is pumped deep undergroundWater rises and falls inside a chamber due to the waves.: 2. Water is heated as it passes The water forces air to rush in and out of a chamber through rocks undergroundpipes.: 3. Water The air turns to steam and passes down pipes to turn a turbine.: 4. The turbine causes turns a generator to spin.: 5. The generator makes an electrical current.