Ultrasonic Testing Market Size, Share & Growth Analysis By Type (Time-Of-Flight Diffraction, Phased Array, Immersion Testing, Guided-Wave Testing, Acoustography) By Equipment (Flaw Detectors, Thickness Gauges, Transducers & Probes, Industrial Scanners), By Service (Inspection, Equipment Rental, Calibration), By Vertical (Manufacturing, Oil & Gas, Aerospace, Automotive, Power Generation) and Regional Forecast, 2020-2027