Ключевые слова: architecture, area, background, builder, building, business, career, cement, city, construct, construction, crane, danger, design, develop, development, elevated, employee, engineering, equipment, foundation, frame, growth, heavy, high, house, housing, industrial, industry, infrastructure, iron, labor, lift, machine, metal, move, operate, outdoor, outside, project, safety, site, sky, space, steel, structure, tall, tower, urban, work,