Ключевые слова: american, at, banner, business, career, celebration, construction, craftsman, day, diversity, earth, employment, engineer, equipment, event, group, happy, helmet, holiday, household, industrial, industry, instrument, international, job, labor, labour, labourer, maintenance, male, man, may, men, national, occupation, people, poster, profession, professional, public, service, team, traditional, work, working,