{HEAD ~ The air jet} may be introduced at any angle to {TAIL ~ the yarn} or even axially thereto to achieve the desired effect 
{ HEAD ~ The air jet } may be introduced at any angle to { TAIL ~ the yarn } or even axially thereto to achieve the desired effect
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH