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