Ключевые слова: 1, 1st, black, business, card, clenched, clenched fist, clip art, concept, corner, day, design, equipment, fist, flat, freedom, graphic, hand, happy, holiday, human, icon, illustration, international, isolated, labor, labour, labour day, man, may, people, person, poster, protest, red, rights, sign, silhouette, symbol, teamwork, text, tool, white, work, worker, world, wrench,