1. 
   ZDDP
   an antiwear additive found in many types of hydraulic and lubricating fluids. Zinc dialkyldithiophosphate.
   Found op http://www.noria.com/dictionary/default.html?definitionsearch=xqxqxqxq222&a
   
   
2. 
   ZDDP
   This category is for people diagnosed with cancer who are, or were later considered to be, cancer-free. Cancer is a relatively common disease. Generally, this category should include only people who are notable for having survived cancer, especially those who have voluntarily participated in public...
   Found op http://en.wikipedia.org/wiki/ZDDP
   
   

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