I at times see them put together with a layer of cement...and afterwards they are saying AAC is in charge. Also AAC should not be set straight onto a cement or concrete slab. A layer of bitumus materials need to kind The bottom. Tilting The tilting crane tilts the mould https://aac-bricks-plant66544.mybloglicious.com/49335165/the-definitive-guide-to-aac-bricks-plant