Welcome to the 1520 Perfect Dictionary
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| Diffusion pump | |
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| DIFFUSION PUMP Definition: A pump for producing a very high vacuum by the diffusion of residual gas into a jet of mercury or oil vapor. The gas is carried off and separated from the jet by condensation. __________________________________ See perfect type (1). See perfect pump (1). ____ See perfect function (1). ____ See perfect process (3). See perfect separation (2). | |
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 |