Ключевые слова: adults, architectures, backgrounds, builders, buildings, builds, businesses, carpenters, commercials, construction industries, construction sites, construction workers, constructions, contractors, designs, developments, engineerings, engineers, equipment, houses, industrials, industries, jobs, labors, men, men at works, metals, occupational safety and healths, occupations, outdoors, people, professionals, protections, repairs, roofers, roofings, roofs, rooftops, safeties, sheets, sites, skies, structures, teams, tools, tops, uniforms, workers, workings, works,