A comprehensive technical drawing of a cylindrical gear assembly featuring multiple orthographic views at 2:1 scale. The drawing includes front elevation, side view, and top plan views with detailed cross-sections labeled as I and II. Key components include housing mounting points, gear shaft interfaces, bearing seats, and fastener locations. Dimensional tolerances and technical specifications are provided in an accompanying parts list and reference table. The drawing follows Vietnamese technical drawing standards with proper dimensioning, centerlines, and hatching to indicate material sections. Assembly includes precision-machined mounting interfaces and rotation indicators for proper mechanical transmission functionality.