Welcome to the 1520 Perfect Dictionary
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| Ringelmann chart | |
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| RINGELMANN CHART Definition: (environment) A series of shaded illustrations used to measure the opacity of air-pollution emissions, ranging from light gray (number 1) through black (number 5), used to set and enforce emission standards. ___________________________________ See perfect graphics. ____ See perfect tool (2). See perfect measurability. See perfect best practice. See perfect measurableness. ____ See perfect illustration (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 |