Ключевые слова: arm, basket, boom, construction, cradle, crane, danger, electric, elevator, engineer, engineering, equipment, heavy, height, high, hoist, hydraulic, industrial, industry, lift, lte, machine, machinery, maintenance, man, mast, mechanical, metal, mobile, platform, power, repair, safety, site, steel, structure, technology, telescopic, tower, truck, up, vehicle, work, worker, working,