Ключевые слова: apple, art, back, bag, bell, blackboard, board, book, calendar, chalkboard, chemistry, college, color, education, element, flat, graduate, icon, illustration, label, learning, lunch, map, mathematics, maths, objects, paint, paintbrush, paper, pencil, ringing, satchel, school, science, search, set, sign, student, study, symbol, teacher, tutorial, typography, university, write,