Ventilation of bathroom by Spiro conduit and sectional details dwg file

<p>Ventilation of bathroom by Spiro conduit and sectional details that includes a detailed view of&nbsp;structural nerve,&nbsp;slab,&nbsp;reinforced concrete,&nbsp;sewage drains,&nbsp;ceiling plate,&nbsp;cementicia with&nbsp;asbestos fibers,&nbsp;spiro ventilation block,&nbsp;spiro cap,&nbsp;cement folder and much more of bathroom details.</p>