Ключевые слова: alarm, book, box, brush, calculator, chemical, clock, college, color, compasses, concept, decorative, design, doodle, drawing, drawn, education, element, emblem, flask, formula, glasses, globe, hand, icon, illustration, knowledge, label, life, microscope, notebook, paint, palette, paper, pencil, ruler, school, sign, sketch, stationery, sticker, still, student, symbol, tag, university,