Ключевые слова: abstract, architectural, backdrop, blueprint, cad, circle, circular, communication, concept, construct, construction, design, designer, diagram, digital, document, drafting, drawing, energy, engineer, engineering, gear, graphic, gray, illustration, industrial, industry, innovation, line, machine, machinery, mechanical, mechanics, mechanism, paper, print, printout, projection, scheme, shape, sketch, structure, system, tech, technical, technology, template, texture, wallpaper,