Ключевые слова: abstract, architect, background, blueprint, built, cad, construct, construction, contour, design, diagram, document, draft, drafting, drawing, engineer, engineering, gear, graphic, green, illustration, industrial, line, mechanical, mechanics, mechanism, object, outline, page, paper, parts, pattern, pencil, plan, plot, print, projection, raster background, raster version, scheme, shape, sketch, technical, technology, template,