Ключевые слова: 3d, abstract, backdrop, background, bearing, black, blueprint, business, circle, cogwheel, concept, construction, design, detail, development, drawing, element, engineering, equipment, frame, gear, graphic, idea, illustration, industrial, industry, line, machine, machinery, mechanical, mechanics, mechanism, metal, model, modern, outline, part, technical, technology, wheel, white, wire, wire frame,