Ключевые слова: abstract, architecture, background, calculation, components, computation, computing, design, diagram, drafting, drawing, engineering, frame, green, grunge, heavy, lines, material, mist, numerals, old, page, parts, pattern, plan, print, project, real, rusty, science, section, semitransparent, shape, sketch, stained, structure, table, technological, technology, texture, textured, tone, vibrant, vintage, window,