Ключевые слова: background, brown, centimeter, closeup, cm, education, equipment, horizontal, imperial, inch, including, instrument, isolated, length, line, long, macro, magnification, math, measure, measurement, meter, metric, millimeter, nobody, number, object, office, oldfashioned, one, row, ruler, scale, school, single, standard, straight, supplies, table, ten, textured, tool, units, white, wood, wooden,