<p><a href="https://cadbull.com/?water-treatment-plant-detail-drawing-in-dwg-file">Sewage plan and section drawing </a>in dwg file. detail drawing of sewage plan , <a href="https://cadbull.com/?Sewage-plant-detail-in-dwg-file.-autocadfile-bkp">section drawing through the different chamber, </a>table and chart detail drawing with descriptions and dimensions.</p>