Ключевые слова: america, apartment, architecture, area, build, building, business, city, city life, cityscape, clearance, commercial, concrete, construction, crane, developer, development, door, downtown, engineering, equipment, high rise, industrial, industry, material, metal, new york, new york city, progress, residence, restrict, safety, scaffold, sign, site, structure, tower, united states america, urban, usa, warning, worker, workers,