Ключевые слова: academic, adult, business, casual, caucasian, class, classroom, college, communication, computer, education, female, girl, group, happy, home, indoor, interior, internet, keyboard, knowledge, laptop, learn, learning, lifestyle, looking, man, modern, notebook, online, pc, people, person, room, school, sitting, smiling, student, study, studying, technology, typing, university, using, wireless, woman, work, working, writing, young,