Section for gallery for access of pit in AutoCAD, dwg file.
<p>This Architectural Drawing is AutoCAD 2d drawing of Section for gallery for access of pit in AutoCAD, dwg file. Open-pit mining, also known as opencast mining, is <strong>a surface mining technique that extracts minerals from an open pit in the ground</strong>. Open-pit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels.</p>