a first section having {HEAD ~ a rearward end}, with respect to the machine direction of the muller having {TAIL ~ an upwardly facing bevel} in said machine direction and, 
a first section having { HEAD ~ a rearward end } , with respect to the machine direction of the muller having { TAIL ~ an upwardly facing bevel } in said machine direction and ,
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH