Ключевые слова: activities, adolescent, austrian, awareness, boys, caucasian, children, class, college, communication, desk, educating, educational, educator, emotion, european, focused, french, german, gesturing, girls, indoors, interacting, knowledge, lecture, lesson, lifestyles, listening, man, notes, occupation, person, portrait, process, pupils, school, schooling, schoolmate, schoolroom, schoolwork, sitting, students, teaching, teenagers, test, togetherness, tutor, work, writing, youth,