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