Ключевые слова: 1, 1st, background, badge, banner, card, celebration, construction, day, doodle, emblem, employers, employment, fight, first, fist, freedom, greeting, hand, happy, holding, holiday, icon, international, label, labor, labour, march, may, mayday, mechanism, national, nationality, organize, patriot, patriotism, poster, protest, red, revolution, rights, sketch, socialism, sticker, vector, victory, work, worker, world, wrench,