id	keyword
fis-2688	stress
fis-2688	repair
fis-2688	crack
fis-2688	doi
fis-2688	notch
fis-2688	hybrid
fis-2688	patch
fis-2688	composite
fis-2688	drilling
fis-2688	zone
fis-2688	hole
fis-2688	fig