Ключевые слова: accuracy, antique, background, binding, brass, business, circle, clock, clockwork, closeup, cog, cogwheel, concept, connection, cooperation, detail, energy, engine, equipment, factory, gearbox, gears, gold, industrial, inside, machine, machinery, macro, manufacturing, mechanical, metallic, motion, motor, old, part, power, precision, progress, retro, steel, teamwork, technical, technology, time, transmission, vintage, watch, wheel, work,