The tackified tow 1 wherein {HEAD ~ the fiber tow} is from {TAIL ~ a 3K} to 50K tow 
The tackified tow 1 wherein { HEAD ~ the fiber tow } is from { TAIL ~ a 3 K } to 50 K tow
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH