id	keyword
ajst-30537	conglomerate
ajst-30537	matrix
ajst-30537	gravel
ajst-30537	modulus
ajst-30537	fracture
ajst-30537	hardness
ajst-30537	indentation
ajst-30537	energy
ajst-30537	nanoindentation
ajst-30537	depth
ajst-30537	toughness
ajst-30537	properties