Ключевые слова: accuracy, background, caliper, calipers, calliper, centimeter, digital, display, electronic, engineer, engineering, equipment, gauge, image, inch, industrial, industry, instrument, isolated, length, measure, measurement, measuring, metal, metallic, meter, micrometer, millimeter, number, object, precision, scale, stainless, steel, technology, tool, tools, trammel, vernier, white, work,