Ключевые слова: arrangement, blackboard, blank, blue, board, bright, building, chair, chalkboard, class, classroom, clean, college, compose, conference, corporate, desk, education, educational, elementary, empty, exam, floor, furniture, hall, highschool, indoor, interior, learn, lecture, light, loudspeaker, modern, nobody, office, professional, pupil, room, school, screen, seat, seminar, sort, study, table, teach, training, university, white, wood,