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Saturday 29, Mar 2025
CSWIP & API Question Banks
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CSWIP CERTIFICATE EXTENSION DUE TO COVID-19 ISSUE
If your CSWIP welding / Painting Inspector certificates expired or near to expire contact TWI for free six months extension.For more details refer the attached TWI Document.
Popular Posts
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A shallow groove that may occur in the root of a butt weld. Common causes Root concavity is caused by shrinkage of the weld pool in t... -
Elongated pores or wormholes Characteristically, wormholes are elongated pores (Fig. 3) which produce a herring bone appearance on the r... -
Excess weld metal protruding through the root of a fusion (butt) weld made from one side only. With pipe welding this type of imperfection ...
