Ключевые слова: accuracy, background, calibrate, carpentry, centimeter, cm, craft, design, distance, diy, education, equipment, horizontal, industry, instrument, level, line, linear, long, measure, measurement, meter, metric, millimeter, number, office, old, precision, retro, row, rule, ruler, scale, school, size, steel, tool, vintage, width, wood, wooden, work, yellow,