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IWE = International Welding Engineer

IWT = International Welding Technologist

IWS = International Welding Specialist

IW = International Welder

EAS = European Adhesive Specialist

IWI-C = International Welding Inspection Personnel – Comprehensive level

RWC-B = EWCP-1090-2-B = European Welding Coordination Personnel for the Standard EN 1090-2 Basic level