{HEAD ~ The channels} have a suitable diameter to correctly size the channels 62 and 64 of the body 60 and to press the seams 66 of {TAIL ~ the body} together 
{ HEAD ~ The channels } have a suitable diameter to correctly size the channels 62 and 64 of the body 60 and to press the seams 66 of { TAIL ~ the body } together
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH