Ключевые слова: aggregate, background, blueprint, caliper, circle, compass, construction, design, detail, diagram, diameter, document, draft, drafting, drawing, education, engineer, engineering, fragment, geometry, graphic, idea, industrial, industries, industry, instrument, machine, measurement, mechanical, mechanism, milimeter, outline, paper, pattern, pencil, plan, print, professional, project, projecting, radius, range, ruler, scheme, shape, sketch, technical, technology, tool,