Ключевые слова: blue, blue sky, build, builder, building, building construction, construction, construction crane, construction equipment, construction site, crane, crane construction, development, engineering, equipment, heavy, height, high, hook, industrial, industry, infrastructure, lift, lifting, machine, machinery, mechanical, metal, object, orange, outdoor, outdoors, perspective, place, progress, project, rectangular, site, sky, steel, structure, tall, technology, tower, tower crane, work, workplace, yellow,