id	keyword
alkej-676	wear
alkej-676	rate
alkej-676	behavior
alkej-676	specimens
alkej-676	sliding
alkej-676	engineering
alkej-676	husk
alkej-676	rice
alkej-676	fiber
alkej-676	eggshell
alkej-676	filler
alkej-676	journal
alkej-676	time