Ключевые слова: accuracy, aggregate, architect, architecture, background, blueprint, books, business, circle, clock, compass, construction, design, detail, diameter, document, drafting, draw, drawing, education, elastic, engineer, engineering, eyepiece, fragment, frame, geometry, glasses, gum, industrial, industries, instrument, machine, mechanism, old, paper, pattern, pencil, plan, projecting, range, rolls, ruler, scheme, set, sketch, table, technical, tool, vintage,