Ключевые слова: 1, 1st, 1st may, 2021, background, banner, card, cartoon, celebration, character, concept, construction, coronavirus, creative, day, design, employment, engineer, freedom, graphic, greeting, hand, happy, holiday, icon, illustration, industrial, industry, international, international labour day, job, label, labor, labor day, labour, labour day, may, national, people, poster, sign, symbol, team, template, thank you, work, worker, workers, world,