Ключевые слова: background, block, block and tackle, cable, construction, crane, design, details, equipment, free of charge, gear, hanging pulley, heavy, heavy lift, hoist, illustration, industrial, industry, iron, lift, lifting, machine, machinery, maritime, mechanical advantage, mechanics, metal, nautical, object, old, outdoors, pulley, pulley system, rope, sailing ship, sky, steel, strong, structure, system, tackle, traditional, transport, transportation, vessel, white, winch, wire, wooden, work,