id	keyword
fis-2351	elbow
fis-2351	stress
fis-2351	crack
fis-2351	doi
fis-2351	pipe
fis-2351	failure
fis-2351	assessment
fis-2351	corrosion
fis-2351	mode
fis-2351	intensity
fis-2351	angle
fis-2351	muthanna
fis-2351	fracture
fis-2351	strutturale