The CELITE is then dried by a flow of air to remove {HEAD ~ the superficial water} and leave the pores impregnated with {TAIL ~ the hydrated hydroxide} 
The CELITE is then dried by a flow of air to remove { HEAD ~ the superficial water } and leave the pores impregnated with { TAIL ~ the hydrated hydroxide }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL