Ключевые слова: adult, business, businesspeople, class, classmates, classroom, communications, computer, computing, conference, course, desk, desktop, education, equipment, exam, group, informatics, instructor, internet, job, laboratory, laptop, learning, lecture, looking, men, monitor, multimedia, people, preparing, presentation, professional, programming, school, science, seat, seminar, sitting, speaker, student, teacher, teaching, team, technology, trainer, training, university, young,