id	keyword
fis-2544	masonry
fis-2544	italy
fis-2544	friction
fis-2544	tower
fis-2544	doi
fis-2544	amatrice
fis-2544	bell
fis-2544	chains
fis-2544	steel
fis-2544	clementi
fis-2544	contact
fis-2544	fig
fis-2544	cell
fis-2544	sequence