Ключевые слова: accuracy, blue, circle, classic, close up, cog, cog wheel, cogwheel, connection, cooperation, electric motor, engine, engineering, equipment, gear, group of objects, industrial, industrial equipment, industry, innovation, interlocked, iron, large, machine, machine part, machine teeth, macro, metal, objects, part of, power, precision, progress, reliability, retro revival, selective focus, simplicity, steel, symbol, technology, togetherness, toned, turning, unity, wheel, work, working,