Ключевые слова: accessory, back, background, blue, centimeter, class, college, compass, composition, copy, different, education, equipment, eraser, flat, frame, geometry, item, kid, knowledge, lay, learning, lesson, light, magnifier, many, math, measurement, measuring, metal, millimeter, object, office, paper, pencil, plastic, pupil, ruler, school, space, stationery, student, study, supply, text, tool, top, university, view, work,