Ключевые слова: 1, 1 may, background, card, carpenter, celebration, concept, construction, day, equipment, freedom, happy, hardware, holiday, improvement, industrial, industry, instrument, international workers day, labor, labor day, labour, labour day, may, metal, national, origami, red, renovation, repair, ribbon, screwdriver, silk, solidarity, space, start, steel, student, symbol, text, textured, time, tool, tools, work, worker, wrench,