Ключевые слова: biologist, biology, book, books, boy, chair, chemist, child, disability, disabled, education, equal, exam, handicap, handicapped, home, homework, injured, invalid, kid, learning, lesson, little, man, model, molecular, molecule, opportunities, physicist, physics, preparation, preparing, preschool, presenting, primary, pupil, reading, recovery, revising, school, schoolboy, showing, sitting, student, study, studying, textbook, training, wheel, wheelchair,