One of {HEAD ~ those rollers} can have {TAIL ~ a series} of pockets in its roll face to receive additive formulation from a reservoir and to define the pattern of the formulation on the paper 
have
One of { HEAD ~ those rollers } can have { TAIL ~ a series } of pockets in its roll face to receive additive formulation from a reservoir and to define the pattern of the formulation on the paper
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH