Check the integrity of welding sample record form, welding record form, welding machine printing record form and endoscope inspection record form based on the completed welding spot drawing. Use yellow fluorescent pen to indicate that the welding record is complete, and use red fluorescent pen to indicate that the welding record is incomplete. The qualified welds through endoscopy shall be circled with black pen, and the unqualified ones shall be circled with red pen.<br>
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