Ключевые слова: background, centimeters, college, compass, copy, design, drafting, drawing, education, engineering, equipment, flat, geometry, item, knowledge, lay, learn, learning, length, marking, markings, math, mathematical, mathematics, measure, measurement, measuring, millimeter, number, object, pen, pencil, pink, protractor, ruler, rulers, school, science, shape, space, stationery, text, top, university, view,