<p><a href="https://cadbull.com/?plumbing-detail-of-the-toilet-in-dwg-autocad-file">Drainage system </a>of the house in dwg AutoCAD file. This file includes the detail drainage system line of the house with pipe line layout plan,<a href="https://cadbull.com/?door-elevation-and-plan-layout-file"> door detail</a>, wall detail, sanitary block detail, etc.</p>