Ключевые слова: assurance, calibration, construction, control, defect, destructive, dimension, education, electricity, engine, equipment, factory, flaw, gauge, industrial, industry, inspection, inspector, iron, machine, man, manufacturing, material, measure, measurement, metal, outside, peak, pipe, pipeline, probe, production, pulse, quality, quality control, scan, signal, sound, steel, structure, surface, technology, test, ultrasonic, ultrasound, ut, velocity, verification, weld, welding,