كسارة الصخور الفوسفاتية. أماه عدن الفوسفات سحق الصخور. The main motives behind using social networks were different as there are 50% of the sample found that they offer a free and bold tool for conveying their ideas, followed by 43,9% of the sample used these networks for enjoyment, pleasure and spending their spare time, While 39,8% considered them