Ключевые слова: accuracy, apparatus, black and white, business, closeup, cooperation, detail, drive, dynamics, employment, equipment, force transmission, gear, gear wheel, gears, gull, historic, historical art, industrial installation, industrial plant, industrial revolution, industry, iron, jobs, machine, machine component, machine part, machine tool, mechanic, mechanical, mechanics, mechanism, metal, motion, old, old technique, old technology, outdated, power transmission, precision, ring gear, robust, serrated, sprocket wheel, steel, strength, technology, teeth, together, togetherness, toothed, toothed ring, transmission, turn, utensil,