Ключевые слова: abstract, background, black, blue, business, button, close, closeup, coffee, communication, computer, data, design, desk, dof, electronic, electronics, equipment, focus, information, internet, job, key, keyboard, laptop, low, macro, metal, modern, notebook, office, pc, personal, portable, selective, shallow, smartphone, symbol, technology, typing, ultrabook, up, white, work, workplace,