Ключевые слова: abstract, backdrop, background, banner, blue, construction, design, digital, drawing, element, equipment, fastening, graphic, gray, grey, hardware, honeycomb, illustration, industrial, industry, instrument, iron, maintenance, mechanic, metal, nails, nuts, object, outline, part, pattern, repear, screw, shadeless, sketch, steel, symbol, tool, transparent, wallpaper, web, work, wrench,