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اليوم نقدم لكم الخامات التى يحتاجها مسطح اخضر مساحته 150 مترمربع

وهو بشكل مستطيل 15فى 10م وتم حساب كمية المياه التى يحتاجها وهو منزرع بنجيله باسبيلم 9