Ключевые слова: bearing, bolt, cable, circle, circular, cog, construction, crane, crank, device, drive, energy, engineering, equipment, factory, gear, hoist, industrial, industry, lift, link, mechanical, mechanism, mine, nut, pulley, rotating, round, shaft, slings, speed, spoke, sprocket, static, steel, system, tandem, tool, transmission, turning, underground, wheel, winch,