id	keyword
brj-23427	concrete
brj-23427	ash
brj-23427	straw
brj-23427	ssa
brj-23427	csa
brj-23427	strength
brj-23427	straw ash
brj-23427	cement
brj-23427	water
brj-23427	doi
brj-23427	ssa concrete
brj-23427	article
brj-23427	fig