<p><strong> Core and wall section including </strong>a technical drawing that lets you see inside a wall. Rarely will a wall be made of just one solid material and core and wall section provide staircase , elevator , shaft and pipe and also shown mechanical device or wiring and pipe also shown excavation and structure pipe for more details of Core and wall section download this <strong>AutoCAD file , 2d drawing </strong>and <strong>dwg format.</strong></p>