The semi fluid mixture is pumped along {HEAD ~ a distribution path} to an extrusion manifold which extrudes a continuous sheet of {TAIL ~ the mixture} 
The semi fluid mixture is pumped along { HEAD ~ a distribution path } to an extrusion manifold which extrudes a continuous sheet of { TAIL ~ the mixture }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL