{TAIL ~ The apparatus} includes {HEAD ~ an absorbent, wicking material} that is permeated with catalyst solution 
{ TAIL ~ The apparatus } includes { HEAD ~ an absorbent , wicking material } that is permeated with catalyst solution
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH