Ключевые слова: art, badge, blue, centimeter, construction, contour, design, direction, distance, dot, dots, dotted, equipment, folding, glowing, halftone, home, icon, illustration, industry, instrument, isolated, length, light, line, linear, lineart, long, measure, measurement, metric, neon, number, object, outline, roulette, rule, ruler, scale, sign, silhouette, square, straightedge, symbol, tape, tool, web, white, work,