يشير تصميم معدات خفض حجم طاحونة الكرة إلى أن تصميم معدات
عرض تقديمي في PowerPoint. EAP Level 3 By the end of this course participants will be able to participate effectively in group discussions, describe trends, describe features of things, participate in online forums, present a product to group, give a short impromptu speech, write a personal letter, describe a process, state and support an opinion, tell a personal story, write a short