Ключевые слова: abstract, arrow, background, badge, centimeter, color, colorful, construction, cursor, design, distance, folding, four, gradient, icon, illustration, industry, instrument, isolated, left, length, line, long, measure, measurement, meter, move, navigation, object, pixel, precision, red, right, roulette, rule, ruler, scale, sign, silhouette, silver, size, square, straightedge, symbol, tape, tool, work,