Ключевые слова: app, area, arrow, badge, button, concept, diagonal, dimension, drawing, education, element, equipment, front, geometric, graphic, height, icon, label, length, line, long, mark, math, measurement, measuring, meter, object, plan, project, ruler, scale, school, shape, sign, simple, size, square, stamp, straightedge, symbol, technical, tool, view, web, width,