Ключевые слова: abstract, arm, background, blue, build, business, cable, closeup, construction, crane, development, engineer, equipment, future, hanging, heavy, high, hoist, hydraulic, industrial, industry, iron, lifting, load, machine, machinery, material, mechanical, modern, move, orange, part, progress, project, safety, site, sky, steel, structure, survey, technology, tool, tower, underconstruction, wire, work, yellow,