Assertion: steam engine's use | /r/CapableOf | stop the engine
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text: An expander - to extract the useful work as the water expands A condenser - to condense the steam back into liquid water and allow re-use of the water A tank or reservoir - to store the condensed water for re-use Controls - to start and stop the engine, adjust the heat input and steam flow, and maintain other operating parameters The history of steam power is well documented and widely known, as are many of steam power's past contributions to modern society.