Ключевые слова: abstract, accuracy, background, circle, classic, clockwork, closeup, cog, cogwheel, connect, connection, cooperation, design, detail, engine, engineering, equipment, factory, gear, gearbox, idea, industrial, industry, iron, machine, machinery, manufacturing, mechanic, mechanical, mechanism, metal, metallic, motion, no people, object, old, part, power, precision, progress, shine, steel, teamwork, technology, teeth, transmission, unity, wheel, work,