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