A concrete flat slab is an example of a plate. The surface of the stone slab is damaged. The sand-cement layer allows for variations in the finished concrete slab that it sits on. It houses a large slab of stone measuring by . The materials used here include stone slab and clay. It is covered by a stone slab which is internally removable. The marble slab was removed by Saladin. The rest of the slab lies covered in the wall. Only two of the slab walls in the Home Depot survived. Haines paid $31,000 for the marble slab. The tomb consists of a slab of alabaster mounted in gilded bronze. His grave is marked by a horizontal white slab. This includes use as a base or "sub-slab" for a larger structural slab. Oceanic trenches form as a result of bending of the subducting slab. These occur when pipes begin to leak from within the slab.