Ключевые слова: 30s, 3540, authentic, beams, builders, building, busy, caucasian, collaboration, colleagues, construction, cooperation, effort, employment, formwork, girders, hard work, helmet, industrial, installation, installing, labor, laborers, labour, male, manual, men, partners, partnership, person, placement, placing, scaffold, site, skilled, support, teamwork, two, white, workers, working, workmen, young,