id	keyword
cana-5279	rubber
cana-5279	crumb
cana-5279	bitumen
cana-5279	asphalt
cana-5279	crumb rubber
cana-5279	mix
cana-5279	test
cana-5279	performance
cana-5279	binder
cana-5279	temperature
cana-5279	point
cana-5279	softening
cana-5279	penetration