{TAIL ~ Continuous filament yarns} of {HEAD ~ approximately 20 to 50 filaments} also conveniently are formed 
{ TAIL ~ Continuous filament yarns } of { HEAD ~ approximately 20 to 50 filaments } also conveniently are formed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH