Ключевые слова: accuracy, appliance, brown, centimeter, closeup, copy space, curve, dark, desk, directly above, diy, equipment, foldable, folding ruler, geometric shape, high angle view, indoors, instrument of measurement, length, long, measuring, meter instrument of measurement, meter unit of length, metric system, millimeter, no people, number, old, plank timber, preparation, routine, ruler, rules, scale, science, simplicity, single object, still life, straight, symbol, table, unit of measurement, white, wood material, wooden, work tool, working, zig zag,