Ключевые слова: background, blur, business, career, class, classroom, college, computer, corporate, defocused, desk, device, display, education, electronics, high, indoor, information, inside, interior, internet, keyboard, knowledge, lab, laboratory, lcd, learning, lecture, many, modern, monitor, net, network, office, pc, place, practice, room, school, science, screen, studying, surfing, table, task, tech, technology, training, university, web, work, workplace, workstation,