Ключевые слова: bend, bending, build, building, construction, curved, digits, distance, extend, extendable, extending, length, linear, markings, measure, measurement, measurements, measuring, metal, metallic, metric, numbers, point, reference, retract, retractable, retracting, ribbon, rigid, rollup, ruler, site, stiff, straight, strip, survey, surveying, tape, tool, wall, yellow,