Ashraf Abd El hady Abd Alla Elshennawy <br/><br/>
Recycling of some solid industrial wastes In Egypt and South Africa /  
 تدوير بعض المخلفات الصناعية الصلبة فى مصر وجنوب افريقيا 
Ashraf Abd El hady Abd Alla Elshennawy ; Supervised Adel Saad Elhassanin , Mamdoh Abd El ghafoor Hassan 
 - Cairo :   Ashraf Abd El hady Abd Alla Elshennawy ,   2005 
 - 11P :   ill ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Institute Of African Research and Studies - Department Of Natural Resources 
<br/><br/> Recycling of industrial waste became a must , particularly for African countries , not only because of the pollution which results from dumping it anywhere , but also because it contains valuable materials , which could be reused profitably 
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<br/><br/><label>Subjects--Index Terms: </label>Rutil : (Tioz) Wasts of welding nods