The study of mechanical working drawings including detail, assembly, piping and welding drawings. Also included are dimensioning techniques, geometric dimensioning and tolerancing, fits and tolerances of mating parts, threads, fasteners, and surface finish. Advanced use of CAD(Computer-Aided Drafting) software that includes creating template files, drawing layouts/paper space, blocks, attributes, external references, revision tables, notes and BOM (Bill of Material). Introduction to piping and welding drawings. Introduction to solid modeling, including part creation and orthographic and isometric drawing creation. The completion of a comprehensive final project is required.