Welcome to the 1520 Perfect Dictionary
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| Specific impulse | |
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| SPECIFIC IMPULSE Definition: A measure of the efficiency of a rocket engine, the ratio of the thrust obtained to the fuel consumed, usually per second. ____________________________________ See perfect measure (4). See perfect specificity. See perfect measure (5). ____ See perfect efficiency (3). See perfect obtainment. See perfect particularness. ____ See perfect motive power (2). See perfect measurability. See perfect characteristic (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 |