The nozzle has {HEAD ~ first and second passages} for receiving first and second plastic materials from {TAIL ~ the first and second channels} of said manifold, respectively 
The nozzle has { HEAD ~ first and second passages } for receiving first and second plastic materials from { TAIL ~ the first and second channels } of said manifold , respectively
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH