Ключевые слова: america, background, blue, celebrate, closeup, concept, construction, copy, copy space, day, engineer, equipment, flag, free, freedom, hammer, hardware, holiday, industrial, industry, international, labor, laborer, maintenance, metal, nation, national, proletariat, relax, repair, rest, sabbath, september, service, set, space, star, steel, stop, symbol, texture, tool, united, usa, white, wood, wooden, worker, workman, workshop,