Ключевые слова: adult, asian, coffee, computer, concentrated, concept, dark, desk, drinking, education, evening, exam, examination, focused, glasses, home, homework, horizontal, hot, house, internet, lamp, late, learning, leisure, lifestyle, male, man, network, night, notepad, office, one, online, pc, pensive, preparing, room, serious, sitting, student, study, table, tea, test, thoughtful, using, wireless, working, young,