id	keyword
fis-2905	welding
fis-2905	tool
fis-2905	stir
fis-2905	friction
fis-2905	doi
fis-2905	fssw
fis-2905	speed
fis-2905	process
fis-2905	time
fis-2905	tensile
fis-2905	parameters
fis-2905	dwell
fis-2905	joint
fis-2905	spot