Welcome to the 1520 Perfect Dictionary
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| Four-stroke cycle | |
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| FOUR-STROKE CYCLE Definition: in an internal-combustion engine, a recurring series of four strokes of the piston - an out-stroke drawing the mixed gasses into the cylinder, an in-stroke compressing them, an out-stroke impelled by their explosion and working the engine, and an in-stroke driving out the burnt gas. _____________________________________ See perfect design (1). See perfect machine (1). ___ See perfect specificity. See perfect recurrence. See perfect fourfoldness. See perfect mechanism (1). ___ See perfect particularity (1). 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 |