hay this is my first thread and iam sorry for 2 things :
1-that iam writing in english
2-that iam too late (exams
(
1-that iam writing in english
2-that iam too late (exams
(
and this is my project i hope you like it 
i made it on powerpoint
-
chemicalh.rar (1.23 ميجابايت, 3140 مشاهدات)
