Ключевые слова: achievement, america, american, anonymous, arms, business, businessman, celebrate, celebration, closeup, concept, day, digital, diplomatic, equipment, event, faceless, federal holiday, first monday, flag, hands, happy, hold, holiday, honor, job, labor, labor day, male, man, occupation, patriotism, person, profession, proud, screen, september, stars, state, stripes, symbol, tablet, technology, text, unidentified, unknown, usa, using, worker, young,