Ключевые слова: america, american, banner, business, businesswoman, celebration, cellphone, ceremony, communication, concept, day, digital, employee, flag, greeting, happiness, happy, happy labor day, holding, holiday, labor, labor day, labour, mobile, mobile phone, modern, national flag, office, phone, pride, red, screen, smart phone, smartphone, star, stars and stripes, striped, symbol, symbolic, telephone, united, usa, using phone, white, white collar worker, wireless technology, work, worker, working,