Ключевые слова: background, black, building, business, cargo, chain, chains, closeup, construction, crane, engineering, equipment, factory, hang, heavy, high, hoist, hook, industrial, industry, iron, isolated, lift, lifting, load, machine, machinery, manufacturing, metal, object, old, pulley, rope, safety, site, sling, steel, storage, strength, strong, technology, tool, transportation, up, warehouse, weight, white, work, worker, yellow,