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[Hindi] Thickness Range for welders (performance qualification) & WPS

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[Hindi/Urdu] P-number, F-number, A-number & Group number in Welding (ASME Section IX)

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WQT PART-1(WELDER QUALIFICATION TEST) (Hindi/English)

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[English] How to calculate consumption of welding electrodes/filler metal (Consumables)

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[English] P-number, F-number, A-number and Group number in Welding

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[Hindi/Urdu] Acceptance Criteria for Radiography Test of welder qualification test coupon