id	keyword
ajst-32008	impact
ajst-32008	wear
ajst-32008	steel
ajst-32008	energy
ajst-32008	surface
ajst-32008	manganese
ajst-32008	sand
ajst-32008	water
ajst-32008	zgmn13
ajst-32008	hardening
ajst-32008	group
ajst-32008	conditions
ajst-32008	impact energy
ajst-32008	hardness
ajst-32008	test
ajst-32008	abrasive