Electricity has elasticity, which is utilized in condensers, as an instance. [Please select]
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"Immediately below our boat was the exhaust of the condensers, a huge stream of water pouring all the time from the ship's side just above the water line." [Please select]
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In some condensers the positions of steam and water are reversed, steam going through the tubes outside which cold water circulates. [Please select]
Do you have a better example in your mind? Please submit your sentence!