Ключевые слова: accuracy, angle, bar, centimeter, decor, distance, drawing, education, element, equipment, geometric, geometry, height, horizontal, illustration, indicator, instrument, isolated, item, knowledge, length, lesson, long, mathematics, measure, measurement, measuring, metric, number, object, precision, protractor, rule, ruler, scale, school, schoolbag, size, skill, stationery, study, subject, supply, tool, transparent, triangle, triangular, wood, wooden,