Insert 16 is shown as {HEAD ~ end caps} inserted in {TAIL ~ the open ends} of channel 34 of housing 8 
inserted in
Insert 16 is shown as { HEAD ~ end caps } inserted in { TAIL ~ the open ends } of channel 34 of housing 8
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH