Ключевые слова: abstract, background, banner, blue, business, car, circle, clock, cog, cogwheel, color, communication, concept, design, element, engine, engineering, factory, gear, graphic, icon, illustration, industrial, industry, info, innovation, machine, machinery, mechanical, metal, modern, object, power, set, shape, sign, silhouette, steel, style, symbol, teamwork, technology, vintage, web, wheel, work,