Ключевые слова: 2019, 2020, abstract, america, background, business, canada, canadian, card, celebrate, celebration, colorful, copy, day, design, element, event, flag, happy, holiday, industrial, industry, international, label, labor, labor day, logo, modern, national, patriotism, poster, print, red, september, sign, star, symbol, text, today, type, usa, white, word, work,