২৮ এপ্রিল থেকে নিয়মিত পাঠদান শুরু হবে। This device is proposed to manufacture AAC blocks by consuming the fly-ash or any silica present mixture as among the list of prime raw materials. Fly-ash, A serious raw material that has a 70% proportion in AAC blocks, an indispensable by-product or service https://aacbricksplant34555.izrablog.com/28324419/the-basic-principles-of-aac-bricks-plant