{HEAD ~ Upper and lower pairs} of {TAIL ~ yarns} illlustrated at 11a, 12a and 13a, 14a, respectively, are fed to upper and lower air jet devices carried by the mounting means B which is illustrated in the form of an upright standard 
{ HEAD ~ Upper and lower pairs } of { TAIL ~ yarns } illlustrated at 11a , 12a and 13a , 14a , respectively , are fed to upper and lower air jet devices carried by the mounting means B which is illustrated in the form of an upright standard
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH