{HEAD ~ Each adhesive cluster} includes {TAIL ~ a perimeterless grouping} of discrete spaced apart adhesive droplets 
includes
{ HEAD ~ Each adhesive cluster } includes { TAIL ~ a perimeterless grouping } of discrete spaced apart adhesive droplets
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH