Ключевые слова: accuracy, background, black, caliper, cartoon, clipart, construction, design, device, dial, diameter, dimensions, engineering, equipment, exact, flat, gauge, graphic, icon, illustration, industrial, industry, instrument, isolated, machine, measure, measurement, measuring, mechanical, metal, metallic, meter, metrological, micrometer, millimeter, number, object, precise, precision, ruler, scale, screw, steel, technical, technology, tool, vernier, white, work,