<p>This Architectural Drawing is AutoCAD 2d drawing of piping details in AutoCAD, dwg file. A pipe can be defined as <strong>a tube made of metal, plastic, wood, concrete or fiberglass</strong>. Pipes are used to carry liquids, gases, slurries, or fine particles. A piping system is generally considered to include the complete interconnection of pipes, including in-line components such as pipe fittings and flanges.</p>