Ключевые слова: abstract, background, blank, bolt, border, box, click, comment, computer, concept, creative, cross, curve, design, device, element, empty, enter, frame, graphic, gray, hardware, head, icon, message, metal, mouse, note, object, outline, red, remark, rivet, scratches, screws, shape, sheet metal, sign, silver, steel, style, symbol, technology, tool, web, white, wire, write down,