Ключевые слова: 1, adult, asian, black, caucasian, cement, concrete, confident, construction, crew, diverse, equipment, ethnicity, exhausted, forties, foundation, hard, hat, heavy, hispanic, indian, laborers, latin, machinery, male, man, mixed, multiethnic, one, outdoors, outside, person, pouring, race, shovel, site, stand, standing, successful, team, thirties, tools, twenties, uninterested, upright, white, workers, worksite,