الفهرس 
Introduction & Aim of the work
SolventsOnly 14 pages are availabe for public view
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Abstract
From this study we conclude the dangerous effects of these substances especially due to their wide spread: in persons who directly exposed to these substances at work chronically, and also in persons who are addicted to these solvents. So, in persons exposed to these substances , we recommend: increasing the attention about the dangerous complications of these substances, explaining the precautions which must be done during the exposure and their benefits in decreasing the complications, and trying to decrease the addictive spread of these substances.