id	keyword
fis-2906	biochar
fis-2906	cement
fis-2906	days
fis-2906	doi
fis-2906	strength
fis-2906	water
fis-2906	energy
fis-2906	gbc
fis-2906	flexural
fis-2906	fracture
fis-2906	results
fis-2906	addition
fis-2906	sirico
fis-2906	ipc
fis-2906	properties