Ключевые слова: background, banner, business, celebrate, celebration, congratulate, country, date, day, decorative, democracy, element, emblem, employers, flag, flat, freedom, hand, happy, holiday, icon, illustration, international, labor day, labour, labour day, liberty, nation, national, occupation, official, party, patriot, patriotic, patriotism, pride, profession, professional, stars, tradition, traditional, union, usa, worker, workers, workers day, working,