Welcome to the 1520 Perfect Dictionary
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| Carnot's principle | |
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| CARNOT'S PRINCIPLE Definition: The principle that the efficiency of a reversible heat engine depends not on the working substance used but only upon the temperatures between which the engine works. ____________________________________ .. >> NOT APPLICABLE. See perfect principle (4). _____ See perfect dependency (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |