Ключевые слова: abstract, bits, circle, circles, clock, closeup, cogs, cogwheel, color, components, concept, connection, cooperation, detail, engine, engineering, factory, gear, gearbox, gears, group, idea, industrial, industry, machine, machinery, macro, mechanism, metal, motor, old, part, parts, pastes, pile, precision, rotate, science, steel, team work, technology, vintage, wheel, work,