This material for student use presents the basic principles and techniques of drafting and provides experiences in the application of these skills to a wide variety of occupational areas, including carpentry, plumbing, welding, electrical, and sheet metal trades. The workbook contains 20 units, organized into seven sections. Sections cover introduction to drawing equipment and supplies, basic instrumental drawing, dimensioning and notes, orthographic projections, pictorial drawings, sectional representatives, and metric applications. The text is illustrated, and each unit contains explanatory material and student assignments. An appendix to the materials contains tables of standard measurements, standard sizes, and equivalents. (KC)