Ключевые слова: accuracy, accurate, background, caliper, calliper, centimeter, closeup, defocused, device, engineer, engineering, equipment, gauge, industrial, industry, instrument, machine, measure, measurement, measuring, mechanical, metal, metallic, meter, micrometer, millimeter, number, object, old, precise, precision, quality, rule, ruler, scale, silver, stainless, steel, technical, technology, tool, vernier, white, work,