Ключевые слова: abstract, amount, bits, circle, circles, closeup, cogs, cogwheel, components, concept, connection, cooperation, count, cypher, detail, digit, engine, engineering, factory, gear, gearbox, gears, group, idea, industrial, industry, iron, machine, machinery, macro, mechanism, metal, motor, number, numbers, numeral, old, part, parts, past, precision, rotate, science, steel, team work, technology, vintage, wheel, work,