Ключевые слова: assembly, assistance, background, business, cargo, chain, construction, crane, design, detail, elevator, engineering, equipment, glass, hanging, heavy, heavy hooks, high crane, hook, hooks, hydraulics, industrial, industry, insulated, iron, large hooks, lifting capacity, machine, many hooks, metal, mobile crane, old, pulley, rope, sky, space, steel, strength, technology, tool, truck, warehouse, weight, winch, work, yellow,