A professional who lays out and draws illustrations for reproduction in reference works, brochures, and technical manuals dealing with assembly, installation, operation, maintenance, and repair of machines, tools, and equipment. Responsibilities include:

• Prepares drawings from blueprints, designs, mockups, and photoprints by methods and techniques suited to specified reproduction process or final use, such as blueprint, photo-offset, and projection transparencies, using drafting and optical equipment.
• Lays out and draws schematic, perspective, orthographic, or oblique-angle views to depict function, relationship, and assembly-sequence of parts and assemblies, such as gears, engines, and instruments.
• Shades or colors drawing to emphasize details or to eliminate undesired background, using ink, crayon, airbrush, and overlays.
• Pastes instructions and comments in position on drawing.
• May draw cartoons and caricatures to illustrate operation, maintenance, and safety manuals and posters.