Ключевые слова: african, american, backhoe, black, bulldozer, business, construction, diversed, dozer, engineer, engineering, excavators, factory, female, foreman, group, hard hat, helmet, industrial, industry, job, labor, machine, machinery, maintenance, male, man, manager, manufacturing, miner, mining, multiethnic, occupation, person, plant, portrait, production, safety, serious, service, team, teamwork, technician, warehouse, woman, work, worker, workplace, workshop,