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